Perform calculations by adding and subtracting hours and minutes. Display calculations in real-. Save all entries in memory after closing. Convert hours to decimal format. Handle large numbers up to hundreds of thousands of hours.
Solve mathematical expressions and check calculations. Support hand-written exponential notation. Convert units between different systems. Calculate engineering formulas for mechanical, civil, chemical, and electrical fields.
Estimate costs based on distance, car efficiency, and gas price. Calculate consumption using distance and vehicle efficiency. Provide results in various units.
