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.