At the moment, picocalc free is not available for direct download on a computer. However, you can use emulators to run it on PC. The downside is that using picocalc free with an emulator might slow down your computer's performance.
Learn how to use picocalc free on your computer in these 5 simple steps:
picocalc is a tiny number memo which can be set, added and subtracted. The number is show as an application badge in the home screen. Zero and a negative number won't be shown in the badge.