Customizable Calculator - Calqum

Calqum is a customizable calculator, aims for balance between design and function.
You can change button mapping, size, and color easily.

If you think like following, why not use?
- Dont fit a mapping of your calculator
- Stick to apps appearance


Features:
- 8 themes
- 21 functions
- 6 catrgories, 470 constants
- Variable number of buttons (H:4-5, V:5-7)
- Formula editing with cursor
- Memory functions (M+, M-, MR, MC)
- Various math functions (sin, log, etc.)
- Tax calculation
- 100 calculation histories
- Angle unit (rad/deg)