CalculatorDU - for daily use app for iPhone and iPad

A simple, free calculator app. It provides basic calculation, value storage, and verification.

Perform addition, subtraction, multiplication, division, and square root operations.

Input values and calculated values can be saved for later use.

You can verify the calculation process.

You can copy and paste numerical values.

You can select multiplication and division symbols.

You can select decimal points, delimiters, and split digit groups.

Displays up to 21 digits for calculations.

You can change the display language.

Works in both portrait and landscape modes.