Brill Calc

A calculator with a unique hexagonal interface where all buttons are arranged in a honeycomb pattern.

Features:

- Non-standard button layout in hexagonal shapes
- Complete set of mathematical functions: basic operations, trigonometric functions (sin, cos, tan, sinh, cosh, tanh), logarithms (ln, log₁₀), powers and roots
- Additional functions: percentages, constants (π, e), exponential operations
- Memory buttons (m+, m-, AC)
- Radian/degree toggle (Rad)
- Scientific notation (EE)
- Color-coded buttons for different operation types

The interface is optimized for touch control on iPad. The hexagonal grid provides an ergonomic arrangement of frequently used functions around the numeric keypad.