CalcFire

The CalcFire application was designed to be a small tool that allows you easily launch Calculator via your keyboard's numpad keys. You can start calculator by pressing and holding down NumLock key and pressing division (/) key which is next to NumLock key.

NumLock + Numpad Division (/) key combination is now "on" button of your calculator! CalcFire can also close calculator by the same key combination. CalcFire also turns on NumLock if necessary after launching calculator and turns off again after closing calculator.

Just install and run CalcFire. It will start and run silently in system tray. And then enjoy launching calculator by NumLock + Numpad division (/) key combination.

Press NumLock + Numpad division (/) keys, make calculation, and then press NumLock + Numpad division (/) again to close calculator.

Doubleclick to CalcFire tray icon to start calculator. CalcFire has "Start with Windows" feature. By checking that option, you can start CalcFire in every system startup automatically.