Calculator HD - Scientific app for iPhone and iPad

- Standard Calculator: Support common addition, subtraction, multiplication, division and other basic operations.

- Scientific Calculator: Support trigonometric function, power function, constant calculation and other scientific operations.

- History: Supports the history function of the calculator.

- Calculation of Area: Circle, triangle and other graph area calculation.

- Calculation of Volume: Sphere, cylinder and other geometry area calculation.

- Measurement of body shape: The figure is tested according to the body data.

- Conversion of units: Conversion of common units such as length and speed.