Browse through 24,816 binary code algorithm illustrations & vectors or explore more high tech or binary code vectors to complete your project with stunning visuals.

Glowing blue and cyan binary code cascades down a dark cyber-themed background. A large, transparent holographic shield occupies the center, adorned with a padlock icon, symbolizing digital security. Additional floating padlock icons surround the shield. The high-tech environment features neon reflections and volumetric lighting, emphasizing themes of data protection and cybersecurity. The scene exudes a clean, professional aesthetic, ideal for illustrating concepts related to firewalls and information protection. Binary code algorithm illustrations
Glowing blue and cyan binary code cascades down a dark cyber-themed background. A large, transparent holographic shield occupies the center, adorned with a padlock icon, symbolizing digital security. Additional floating padlock icons surround the shield. The high-tech environment features neon reflections and volumetric lighting, emphasizing themes of data protection and cybersecurity. The scene exudes a clean, professional aesthetic, ideal for illustrating concepts related to firewalls and information protection. Binary code algorithm illustrations
This image depicts a chain composed of individual links, each of which is made up of binary code. The chain is rendered in a 3D style, with a purple hue and a reflective surface that gives it a metallic appearance. The background is dark, which makes the chain stand out prominently. Binary code algorithm illustrations
This image depicts a chain composed of individual links, each of which is made up of binary code. The chain is rendered in a 3D style, with a purple hue and a reflective surface that gives it a metallic appearance. The background is dark, which makes the chain stand out prominently. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A humanoid robot engages with a digital screen displaying financial data and binary code. The robot's design features a metallic exterior with a white finish and a technological, futuristic appearance. It points at a graph on the screen, which shows various data visualizations such as bar charts. Surrounding the robot are streams of binary code in light blue and pink hues, enhancing the high-tech atmosphere. The setting suggests advanced computing or artificial intelligence applications. Binary code algorithm illustrations
A futuristic digital matrix background featuring a hexagonal grid pattern with streams of glowing green binary code and Japanese characters flowing down. This abstract concept art represents technology, data flow, and the digital realm. Binary code algorithm illustrations
A futuristic digital matrix background featuring a hexagonal grid pattern with streams of glowing green binary code and Japanese characters flowing down. This abstract concept art represents technology, data flow, and the digital realm. Binary code algorithm illustrations
A futuristic representation of binary code and stock market data, with glowing lines of 1s and 0s curving through the frame alongside various graphs and charts. The image conveys a sense of technology and finance intersecting, with bright lights and a dark background emphasizing the digital and dynamic nature of the data. Binary code algorithm illustrations
A futuristic representation of binary code and stock market data, with glowing lines of 1s and 0s curving through the frame alongside various graphs and charts. The image conveys a sense of technology and finance intersecting, with bright lights and a dark background emphasizing the digital and dynamic nature of the data. Binary code algorithm illustrations
Abstract symmetrical circuit board design with glowing white lines and binary code overlayed on a black background, creating a futuristic and technological aesthetic. Binary code algorithm illustrations
Abstract symmetrical circuit board design with glowing white lines and binary code overlayed on a black background, creating a futuristic and technological aesthetic. Binary code algorithm illustrations
A close-up shot of a human finger interacting with a glowing vertical stream of binary code and digital data. The background features a soft-focus bokeh effect with shimmering light particles, creating a futuristic and high-tech atmosphere. This image symbolizes connectivity, information technology, cyber security, artificial intelligence, and digital transformation. It is ideal for use in corporate technology presentations, software development marketing, web design projects, and articles discussing the future of the internet, big data analytics, or modern computing infrastructure. Binary code algorithm illustrations
A close-up shot of a human finger interacting with a glowing vertical stream of binary code and digital data. The background features a soft-focus bokeh effect with shimmering light particles, creating a futuristic and high-tech atmosphere. This image symbolizes connectivity, information technology, cyber security, artificial intelligence, and digital transformation. It is ideal for use in corporate technology presentations, software development marketing, web design projects, and articles discussing the future of the internet, big data analytics, or modern computing infrastructure. Binary code algorithm illustrations
Binary Code Abstraction. A 3D wave composed entirely of small, luminous, emerald-green binary zeros and ones (0s and 1s), flowing against a pitch-black background. High detail, commercial style. Binary code algorithm illustrations
Binary Code Abstraction. A 3D wave composed entirely of small, luminous, emerald-green binary zeros and ones (0s and 1s), flowing against a pitch-black background. High detail, commercial style. Binary code algorithm illustrations
Binary Code Abstraction. A 3D wave composed entirely of small, luminous, emerald-green binary zeros and ones (0s and 1s), flowing against a pitch-black background. High detail, commercial style. Binary code algorithm illustrations
Binary Code Abstraction. A 3D wave composed entirely of small, luminous, emerald-green binary zeros and ones (0s and 1s), flowing against a pitch-black background. High detail, commercial style. Binary code algorithm illustrations
The image depicts a striking silhouette of a human head in profile, composed entirely of densely packed binary digits (zeros and ones). The binary code forms intricate patterns and swirls, creating a visual contrast between the recognizable human shape and the abstract digital elements. The background is filled with the same binary digits, emphasizing the theme of digital identity or the. Binary code algorithm illustrations
The image depicts a striking silhouette of a human head in profile, composed entirely of densely packed binary digits (zeros and ones). The binary code forms intricate patterns and swirls, creating a visual contrast between the recognizable human shape and the abstract digital elements. The background is filled with the same binary digits, emphasizing the theme of digital identity or the. Binary code algorithm illustrations
A striking visual representation of a futuristic digital gateway, with cascading binary code illuminated in vibrant green against a backdrop of glowing blue and purple geometric structures. Binary code algorithm illustrations
A striking visual representation of a futuristic digital gateway, with cascading binary code illuminated in vibrant green against a backdrop of glowing blue and purple geometric structures. Binary code algorithm illustrations
An image showcasing cascading streams of green binary code against a futuristic, pixelated background, evoking a sense of technology and digital innovation. Binary code algorithm illustrations
An image showcasing cascading streams of green binary code against a futuristic, pixelated background, evoking a sense of technology and digital innovation. Binary code algorithm illustrations
Robotic hand typing on keyboard with glowing padlock and binary code representing cybersecurity encryption network protection and artificial intelligence security technology. Binary code algorithm illustrations
Robotic hand typing on keyboard with glowing padlock and binary code representing cybersecurity encryption network protection and artificial intelligence security technology. Binary code algorithm illustrations
A digital human figure composed of glowing binary code is shown kneeling and contemplating. The backdrop features a dynamic stream of floating binary digits, enhancing a futuristic and technological atmosphere. The human form is illuminated, standing out against the dark, abstract background. The design emphasizes themes of technology, data, and digital existence. Binary code algorithm illustrations
A digital human figure composed of glowing binary code is shown kneeling and contemplating. The backdrop features a dynamic stream of floating binary digits, enhancing a futuristic and technological atmosphere. The human form is illuminated, standing out against the dark, abstract background. The design emphasizes themes of technology, data, and digital existence. Binary code algorithm illustrations
A dynamic, photorealistic, low-angle perspective captures human hands urgently interacting with a complex digital projection featuring glowing green binary code and security firewall graphics. The scene, set in a dark, high-tech environment, symbolizes real-time threat mitigation and advanced cybersecurity protection with intense cinematic quality and dramatic lighting. Clean black copy space is available in the top third of the frame. This image is generated using artificial intelligence (AI). Binary code algorithm illustrations
A dynamic, photorealistic, low-angle perspective captures human hands urgently interacting with a complex digital projection featuring glowing green binary code and security firewall graphics. The scene, set in a dark, high-tech environment, symbolizes real-time threat mitigation and advanced cybersecurity protection with intense cinematic quality and dramatic lighting. Clean black copy space is available in the top third of the frame. This image is generated using artificial intelligence (AI). Binary code algorithm illustrations
The image showcases a stunning golden geometric mandala at the center, surrounded by blue glowing binary code against a dark background. The futuristic design combines abstract art with technology themes, creating a visually captivating digital art piece. This abstract background is perfect for technology, data visualization, and digital marketing projects, offering a modern aesthetic with. Binary code algorithm illustrations
The image showcases a stunning golden geometric mandala at the center, surrounded by blue glowing binary code against a dark background. The futuristic design combines abstract art with technology themes, creating a visually captivating digital art piece. This abstract background is perfect for technology, data visualization, and digital marketing projects, offering a modern aesthetic with. Binary code algorithm illustrations
A conceptual 3D render of a digital chain link formed by glowing binary code digits. The image represents blockchain technology, data security, cryptography, and network connectivity. The glowing white numbers on a dark blue background create a high-tech, futuristic aesthetic suitable for articles on cryptocurrency, fintech, cybersecurity, information technology, and decentralized systems. The visual metaphor emphasizes strength, interconnectedness, and the foundational role of data in modern digital infrastructure and secure financial transactions. Binary code algorithm illustrations
A conceptual 3D render of a digital chain link formed by glowing binary code digits. The image represents blockchain technology, data security, cryptography, and network connectivity. The glowing white numbers on a dark blue background create a high-tech, futuristic aesthetic suitable for articles on cryptocurrency, fintech, cybersecurity, information technology, and decentralized systems. The visual metaphor emphasizes strength, interconnectedness, and the foundational role of data in modern digital infrastructure and secure financial transactions. Binary code algorithm illustrations
A high-quality 3D render illustrating the concept of blockchain technology. The image features a metallic chain where each link is infused with glowing blue binary code, representing data security, encryption, and interconnected digital systems. The dark background emphasizes the luminescence of the data, making it an ideal visual for articles, presentations, or marketing materials related to fintech, cryptocurrency, cybersecurity, decentralized networks, and modern information technology infrastructure. The depth of field creates a professional, cinematic look, highlighting the strength and complexity of modern digital connections. Binary code algorithm illustrations
A high-quality 3D render illustrating the concept of blockchain technology. The image features a metallic chain where each link is infused with glowing blue binary code, representing data security, encryption, and interconnected digital systems. The dark background emphasizes the luminescence of the data, making it an ideal visual for articles, presentations, or marketing materials related to fintech, cryptocurrency, cybersecurity, decentralized networks, and modern information technology infrastructure. The depth of field creates a professional, cinematic look, highlighting the strength and complexity of modern digital connections. Binary code algorithm illustrations
A glowing computer screen showcases a vibrant blue display of binary code in a dark environment. This image represents digital technology and data analysis. Binary code algorithm illustrations
A glowing computer screen showcases a vibrant blue display of binary code in a dark environment. This image represents digital technology and data analysis. Binary code algorithm illustrations
This image depicts a futuristic, digital tunnel composed of binary code, illuminated by a bright, glowing light at the end, suggesting a sense of progress or discovery. Binary code algorithm illustrations
This image depicts a futuristic, digital tunnel composed of binary code, illuminated by a bright, glowing light at the end, suggesting a sense of progress or discovery. Binary code algorithm illustrations
A striking visual merging the classic hourglass with a digital aesthetic. Sand within is replaced by flowing binary code, symbolizing the fleeting nature of time in our data-driven world. The background features blurred lines of programming language, enhancing the technological theme. Generative AI. Binary code algorithm illustrations
A striking visual merging the classic hourglass with a digital aesthetic. Sand within is replaced by flowing binary code, symbolizing the fleeting nature of time in our data-driven world. The background features blurred lines of programming language, enhancing the technological theme. Generative AI. Binary code algorithm illustrations
A simple, hand-drawn illustration of a stick figure sitting at a laptop, appearing to be coding. A speech bubble above the figure contains a lit lightbulb, symbolizing an idea or inspiration. Binary code (0s and 1s) is displayed near the speech bubble, reinforcing the programming theme. This clean, minimalist graphic is perfect for representing concepts like innovation, problem-solving, software development, and creative thinking in the digital age. Binary code algorithm vectors
A simple, hand-drawn illustration of a stick figure sitting at a laptop, appearing to be coding. A speech bubble above the figure contains a lit lightbulb, symbolizing an idea or inspiration. Binary code (0s and 1s) is displayed near the speech bubble, reinforcing the programming theme. This clean, minimalist graphic is perfect for representing concepts like innovation, problem-solving, software development, and creative thinking in the digital age. Binary code algorithm vectors
A mesmerizing visual representation of a digital matrix, featuring cascading streams of green binary code against a dark background. The numbers, primarily zeros and ones, fall in vertical lines, creating a sense of constant data flow and technological advancement. This abstract digital art evokes themes of computing, artificial intelligence, cybersecurity, and the intricate world of information. Binary code algorithm illustrations
A mesmerizing visual representation of a digital matrix, featuring cascading streams of green binary code against a dark background. The numbers, primarily zeros and ones, fall in vertical lines, creating a sense of constant data flow and technological advancement. This abstract digital art evokes themes of computing, artificial intelligence, cybersecurity, and the intricate world of information. Binary code algorithm illustrations
Abstract image depicting cascading strings of binary code (0s and 1s) in varying shades of blue against a dark background. The code is presented as glowing, slightly blurred digits. Binary code algorithm illustrations
Abstract image depicting cascading strings of binary code (0s and 1s) in varying shades of blue against a dark background. The code is presented as glowing, slightly blurred digits. Binary code algorithm illustrations
Abstract technology binary code background. digital data stream, network security, coding, or programming concept. ideal for tech websites, presentations, or projects ,Generative ai. Binary code algorithm illustrations
Abstract technology binary code background. digital data stream, network security, coding, or programming concept. ideal for tech websites, presentations, or projects ,Generative ai. Binary code algorithm illustrations
A dynamic and abstract visualization of binary code (0s and 1s) flowing in swirling patterns against a deep blue background. The white digits create a sense of movement and complexity, representing data streams, digital information, or technological concepts. This image is ideal for backgrounds, digital art, and illustrations related to computing, programming, and the digital world. Binary code algorithm illustrations
A dynamic and abstract visualization of binary code (0s and 1s) flowing in swirling patterns against a deep blue background. The white digits create a sense of movement and complexity, representing data streams, digital information, or technological concepts. This image is ideal for backgrounds, digital art, and illustrations related to computing, programming, and the digital world. Binary code algorithm illustrations
An abstract digital background featuring glowing blue waves composed of binary code, numbers, and data points. The dark cybernetic theme represents modern technology, big data, artificial intelligence, networking, and digital information flow. Ideal for corporate presentations, technological concepts, cybersecurity banners, software development visuals, and future innovations. Binary code algorithm illustrations
An abstract digital background featuring glowing blue waves composed of binary code, numbers, and data points. The dark cybernetic theme represents modern technology, big data, artificial intelligence, networking, and digital information flow. Ideal for corporate presentations, technological concepts, cybersecurity banners, software development visuals, and future innovations. Binary code algorithm illustrations
Digital code and binary sequences transforming into abstract light patterns, representing technical processing. Abstract light trails and subtle geometric forms morphing from a background of subtly. Binary code algorithm illustrations
Digital code and binary sequences transforming into abstract light patterns, representing technical processing. Abstract light trails and subtle geometric forms morphing from a background of subtly. Binary code algorithm illustrations
Futuristic abstract digital background showcasing a complex circuit board with glowing streams of binary code flowing through it. This image represents data transfer, technology, and the interconnectedness of modern systems. Binary code algorithm illustrations
Futuristic abstract digital background showcasing a complex circuit board with glowing streams of binary code flowing through it. This image represents data transfer, technology, and the interconnectedness of modern systems. Binary code algorithm illustrations
A cinematic digital background featuring a vertical stream of binary code and falling green numbers, representing cybersecurity, data processing, and advanced technological information systems. Binary code algorithm illustrations
A cinematic digital background featuring a vertical stream of binary code and falling green numbers, representing cybersecurity, data processing, and advanced technological information systems. Binary code algorithm illustrations
A black funnel with a wide and narrow bottom is filled with white binary code data. The data flows out of the funnel's spout in a stream of black and white binary code. The background of the is white. The concept of data filtering or processing. Binary code algorithm vectors
A black funnel with a wide and narrow bottom is filled with white binary code data. The data flows out of the funnel's spout in a stream of black and white binary code. The background of the is white. The concept of data filtering or processing. Binary code algorithm vectors
A conceptual illustration of a digital faucet with a stream of binary code flowing out, representing the constant flow of data, information access, and the digital age. This minimalist design symbolizes concepts like data streaming, big data, information leaks, and the source of modern technology. Binary code algorithm illustrations
A conceptual illustration of a digital faucet with a stream of binary code flowing out, representing the constant flow of data, information access, and the digital age. This minimalist design symbolizes concepts like data streaming, big data, information leaks, and the source of modern technology. Binary code algorithm illustrations
Abstract visualization of green binary code (0s and 1s) falling like rain onto a dark, fractured, reflective surface. This digital concept represents data, technology, and cybersecurity. The glowing code creates a futuristic and complex ambiance. Binary code algorithm illustrations
Abstract visualization of green binary code (0s and 1s) falling like rain onto a dark, fractured, reflective surface. This digital concept represents data, technology, and cybersecurity. The glowing code creates a futuristic and complex ambiance. Binary code algorithm illustrations
The image shows a gray-scale visualization of binary code or digital data represented as a dense matrix of 0s and 1s arranged in a grid pattern. The data appears to be structured in rows and columns, with some areas showing higher density or concentration of binary digits, creating a wave-like or flowing effect. The background is predominantly white, providing contrast to the darker binary symbols. Binary code algorithm illustrations
The image shows a gray-scale visualization of binary code or digital data represented as a dense matrix of 0s and 1s arranged in a grid pattern. The data appears to be structured in rows and columns, with some areas showing higher density or concentration of binary digits, creating a wave-like or flowing effect. The background is predominantly white, providing contrast to the darker binary symbols. Binary code algorithm illustrations
This image is created by Artificial Intelligence. A mesmerizing display of blue and yellow binary code and numbers flows through a dark space, evoking a sense of technology and data transfer. Glowing lines and dots create a dynamic atmosphere, suggesting rapid information exchange. The image conveys a futuristic mood, perfect for illustrating concepts related to coding, data analysis, and digital. Binary code algorithm illustrations
This image is created by Artificial Intelligence. A mesmerizing display of blue and yellow binary code and numbers flows through a dark space, evoking a sense of technology and data transfer. Glowing lines and dots create a dynamic atmosphere, suggesting rapid information exchange. The image conveys a futuristic mood, perfect for illustrating concepts related to coding, data analysis, and digital. Binary code algorithm illustrations
A glowing blue sphere made of interconnected lines and dots is illuminated by bright light streams against a dark background filled with binary code and circuit board patterns. Binary code algorithm illustrations
A glowing blue sphere made of interconnected lines and dots is illuminated by bright light streams against a dark background filled with binary code and circuit board patterns. Binary code algorithm illustrations
A vibrant blue digital backdrop showcases flowing binary code interspersed with intricate, glowing gears, representing the interconnectedness of technology and the future. Abstract digital background featuring binary code and futuristic gears symbolizing technology and innovation. Binary code algorithm illustrations
A vibrant blue digital backdrop showcases flowing binary code interspersed with intricate, glowing gears, representing the interconnectedness of technology and the future. Abstract digital background featuring binary code and futuristic gears symbolizing technology and innovation. Binary code algorithm illustrations