Calculabble puts an easy to use calculator on your wrist. It's designed for three-button operation:

- Click up to increase the current figure; hold down to negate the operand;
- Click down once to add a zero to the right; double click down to remove it; hold down to insert point;
- Click select to choose the operation and start inputting the second operand; hold to select the last operation;
- Click select when you have both numbers to perform the calculation!

FEATURES:
- Up to 8 figures;
- Floating point up to 3 decimals;
- Addition, subtraction, multiplication, division, squares, roots;

NOTE: roots are implemented using Babylon method. Results are approximations.

TODOs:
- Implement memory storage;
- Implement more operations;
- Add customization.