Add, subtract, multiply, and divide... always there when you need it.
Though the Mac App Store lists this as free, MacUpdate lists it as shareware because of the number of in-app purchases.
- Calculator bugs fixed
- Tape functionality added
- Added exponentiation functionality: 12^3
- Added parenthesis functionality: 23 - (-12 + 25)
- Improved design
- OS X 10.9 or later