.Net 1.1

At first glance, this appears to be a standard 4-function calculator. However, there's a random number generator in it, which causes it to spit out weird and completely wrong answers every now and then.

This program will convert a text string to base64, and display the output.

Play the game Tic-Tac-Toe against the computer.

This Windows program will compare the contents of two directories using MD5 checksums, and alert you to any files that do not match.