Engineering Tools
Free online calculators and analysis tools for electrical and computer engineers.
Thermal Analysis
PCB Via Thermal Solver
Calculate effective through-plane thermal conductivity for PCB via-stitching patterns. Determine temperature rise across your board for a given heat load.
PCB Design
Humanity's Last Component Library
Build IPC-compliant PCB footprint libraries from the browser—land patterns, naming, and export workflows tuned for real library maintenance.
Algorithms
AI Sudoku
Interactive puzzle: discover low-rank decompositions of the matrix-multiplication tensor with factors in −1, 0, and +1, live residual feedback, and scores benchmarked against Strassen, AlphaTensor, and schoolbook.


