A calculator with a clear display and large buttons supports functions. Switch between portrait and landscape modes on iPad. Perform simple calculations without additional features.
by Christie Clark★ 4.9258,702 ratingsUtilitiesFreeData updated 2026-09-08
Convert numbers between bases 2 to 20. Perform arithmetic operations in different bases. Display results in decimal, binary, and hexadecimal formats. Adjust number system settings for custom calculations. Export calculation history for review.
The app calculates aircraft fuel for pilots, students, and ground crew. It supports Jet Fuel and Avgas, converting between Liters, Gallons, Kilograms, and Pounds.