Welcome to lwchkg’s website. Here you can find my computer programs and notes in mathematics.
You may also find something about me.
A Columns clone made in 1997 that features a “PRO” mode.
A Nibbles type game. Be the longest surviving beam.
Write a program that breaks up a string of words with no spaces into a string with the appropriate spaces.
A collection of VB.NET utilities created when I was teaching VB.NET in a secondary school.
Creates rectangular and isometric graph papers in EMF format.
Connect the pipes into a single fully connected network, without loops and free ends.
Inequalities notes for mathematics competitions.
Number theory notes for secondary students.