Logarithms
Definition, history, and calculator of logarithms.
Graph Paper
A simple plot pointing app.
Abaci
An interactive abacus and soroban in React.
Slide Rule
In progress...
Unit Fraction Sums
Display a list of random fractions and calculate the simplified sum.
Project Euler - JS
Some Javascript solutions to Project Euler problems.
Project Euler - Perl
Some Perl solutions to Project Euler problems.
Metric Quiz
Test your ability to convert between metric and imperial measurements.