William Jockusch

Free Graphing Calculator 2

A powerful, flexible graphing calculator . . . and it's free!Does far more than most of the paid calculators out there . . . let alone...

August 27, 2019 By William Jockusch

Special Relativity

Special Relativity is a theory that can be derived from two fundamental principles. If you have a good understanding of algebra, including...

June 5, 2019 By William Jockusch

Free Graphing Calculator

Now over 4 million downloads. Thanks users. A powerful, flexible graphing calculator. and it's free. Does far more than most of the...

September 27, 2017 By William Jockusch

Free Graphing Calculator 2 for Windows 10

The wildly successful iOS app, finally on Windows. Use the in-app-keyboard, or, if on desktop, just type your math. Does far more than...

June 1, 2017 By William Jockusch

Triangle Solver

If you know two angles and one side of a triangle, quickly and easily calculate the rest.Also handles cases where you know two sides...

June 10, 2016 By William Jockusch

Scientific Graphing Calculator 2

** Reduced price because I really want to encourage people to upgrade.**** I believe this is now better overall than the Scientific...

January 3, 2016 By William Jockusch

Ad-Free Unit Converter

That's right -- this is a free app, with no ads! Saves you bandwidth, battery life, and annoyance. This is possible because the app...

March 14, 2014 By William Jockusch