Excalidraw is an innovative online whiteboarding tool that uses the power of artificial intelligence (AI) to convert simple text prompts into detailed, professional-quality diagrams. Whether you ...

Easy-to-understand visualizations for Ranked-Choice Voting elections: sankey, bargraphs, and tables. Interactive and print-friendly options available. Supports most common tabulators.

In his book The Mathematical Universe, mathematician William Dunham wrote of John Venn’s namesake legacy, the Venn diagram, “No one in the long history of mathematics ever became better known ...