This is a basic calculator (add, substract, multiply, divide, square root). The primary advantage is: the calculator is very easy to use you can operate just pressing one key.

Features:

• Use the arrow keys to use basic operations.
• Configurable shortcut keys.
• Save up to 10 last results.
• Transfer the results to other programs.
• You can take advange of all your phone keys.

The DEMO version is limited to 1 integer digit and 1 fractional digit. With this limitation you can test all functionallity.