This site is my playground and a place to share software I've written as personal projects that bloomed, eventually, into something I think worth sharing with others. I spend enough time in the day job bringing about world peace and loosening the Gordian knots of others, so you'll find nothing here that's intended to take over the universe. Instead, hopefully, you'll find something to have fun with here. The HP calculator emulators are available below. I've added a new emulator for the HP-67 calculator. You can find information, online help documentation, and other useful information in the links below for each emulator. Have fun!