Alternatives to KCalc for all platforms with any license

Know any alternatives we haven't listed?
We want more alternatives to KCalc. Feel free to add any alternative that you know of, or ask your friends on  Twitter or Facebook if they can help out.

Platforms

Show 5 less popular platforms

KCalc Comments

Echo echo ... Feels empty in here

Maybe you want to be the first to submit a comment about KCalc? Just click the button up to your right!