Numbers & moneyApp
Qalculate!
A calculator that handles currencies, units and percentages in one line.
// WHAT IT'S FOR
Qalculate! is a free, open-source desktop calculator for Windows, Mac and Linux. You type the calculation as text, like an amount from one currency to another or a percentage, and it gives you the result. Exchange rates update daily. Use it to quote in another currency or check quick numbers without opening a spreadsheet.
// FROM THEIR SITE
Qalculate! - the ultimate desktop calculator
ON GITHUB
- Stars
- ★ 2.7k
- Last change
- Oct 9, 2026
- License
- GPL-2.0
- Language
- C++
Data as of Oct 9, 2026