Calculator Free

This free scientific calculator offers a number of useful features allowing you to carry out advanced calculations. Its simple and intuitive design makes it a pleasure to use. The calculator has all the functions that would be expected of a basic scientific calculator and a number of more advanced features too, including complex numbers and logic functions.

Calculator Free includes the following features:

- Traditional algebraic or RPN operation

- Unit conversions

- Physical constants table

- Percentages

- Result history

- Binary, octal, and hexadecimal (can be enabled in Settings)

- Trig functions in degrees, radians or grads

- Scientific, engineering and fixed-point display modes

- 7-segment, dot-matrix or standard font display

- Configurable digit grouping and decimal point

- External keyboard support

- Full built-in help

- Fraction calculations and conversion to/from decimal

- Degrees/minutes/seconds calculations and conversion

- Landscape mode

- Homescreen widget (now with RPN support)

- 12-digit display

- Extended internal precision (32-digit)

- User-customizable unit conversions and constants