CalcKeys - The Calculator Keyboard

CalcKeys is a custom keyboard that allows you to quickly calculate values and insert them into any apps text fields.

Using CalcKeys is easy! Install the keyboard and whenever you need to perform a quick calculation, tap the next keyboard button to display the CalcKeys keyboard. The calculation result is then inserted into the active text field. Tap the next keyboard button again to resume typing.

CalcKeys may also be used to quickly and accurately enter numeric data (similar to a numeric keypad).

Features:

- custom calculator keyboard
- add, subtract, multiply, divide
- parentheses support (including nested)
- inserts the result when the equals (=) button is tapped
- inserts the expression and result when the equals (=) button is long tapped
- calculator or phone numeric layout style setting
- insert numeric data quickly and accurately (enter the value and tap the equals button)