Triplex Calculator app for iPhone and iPad

Animated calculator with symmetric adaptive interface and visual representation of the left, right operands and the result.

Features:

- Axial symmetry. Elements of calculator are located in accordance with axial symmetry, usual in nature.

- Counters. If you want to do the operation several times, the calculator will tell you how many times the corresponding button is pressed.

- Availability of indicators. Next to each number, there is an indicator showing the value of this number as compared to other numbers. This allows you to get an idea of transactions.

- Depending on the context the buttons set. In each state, the calculator displays only the necessary buttons. Unloads and focuses its attention on the needed action, makes interface alive.

- Numbers are shown in a column. The numbers, with which operations are performed, are arranged one above the other, for easy perception.

- Transactions with zero and operations which can turn out to zero are prohibited. Dont be afraid to get zero - : for this calculator to get zero is impossible in principle.

- Three text captions instead of one. Left and right operands and the result are displayed separately and immediately.

- Two display modes: black and white - separately for the background and for the elements of the calculator. This allows you to use the calculator both in good and in low light.