MathCalc - Calculator Math is a free calculator app available for iPhone. It is designed to support calculating arithmetic expressions and is suitable for various scenarios such as daily life, work and business, investment and wealth management, study and homework, and physical engineering.

The app offers a range of features including a calculator for complex calculation expression operations. It allows users to re-enter incorrect input formulas at any location and supports history preservation, allowing for real-time recovery of past calculations. Additionally, users can easily copy calculation results with just one click.

MathCalc also includes a scientific calculator that supports common mathematical trigonometric functions, power functions, pi, logarithmic functions, and irrational numbers. It offers a free formula feature that allows users to customize calculation rule formulas, making it suitable for complex scenarios such as investment and financial management, and engineering calculation.

The app also includes a unit conversion feature with built-in conversion for over 20 common mathematical units, physical engineering units, and chemical units. Users can also access real-time exchange rates for foreign currencies.

MathCalc aims to provide convenience in daily life and work, and welcomes feedback and guidance from users to drive their progress.