Blaise Pascal is known for a number of things, but we remember him best for the Pascaline, an early mechanical calculator. [Chris Staecker] got a chance to take a close look at one, which is quite ...

In a recent write-up, [David Delony] explains how he built a Wolfram Mathematica-like engine with Python. Core to the system is SymPy for symbolic math support. [David] said being able to work ...

Discover How to Create a Cardboard Mechanical Counter! In today's tutorial, you'll learn to build a fully operational mechanical counter using just cardboard! My design features three counting rotors, ...