Perform complex calculations with scientific, engineering, and hexadecimal modes. Use RPN and multi-line display. Convert units and access constants. Undo and redo actions. Sync with Apple Watch for on-the-go calculations.
by TLA Systems Ltd.★ 4.7779 ratingsUtilities$9.99Data updated 2026-11-06
Calculate metrics such as area, volume, force, velocity, and time. Input piston diameter, pressure, and oil flow to get results for both piston and rod sides. Perform real-time calculations for extraction and retraction forces.
Convert units between inches and centimeters instantly. Enter numbers to get immediate conversions. Save calculations for future reference. Share results directly. Perform quick and accurate measurements without additional steps.
Convert units across categories like length, weight, temperature, and volume. Switch between 100+ built-in units. Add custom units. Convert between imperial and metric systems. Save frequently used conversions. Share results via copy or email.
The app provides oilfield calculators for petroleum and mud engineers. It offers formulas for downhole capacities, volumes, pump output, ECD, trip calculations, and more.
The app offers a modern and elegant calculator experience with easy calculation entry and a clear history. It includes built-in calendar functions and supports natural percentage calculations.
Perform electrical engineering calculations with and capacitor tools. Calculate filters, attenuators, rectifiers, and oscillators. Convert units like Lumen to Candela and Delta to Y. Analyze skin effect and PCB trace impedance.
Offers a standard and scientific with over 30 operations. It supports iCloud sync across devices. Users can add notes to calculation history and share entries. A live voice is available.
Calculate helical lengths for internal or external pipes. Determine limpet lengths on shells or half pipes. Compute jacket lengths for dish ends and half pipes. Switch between metric and imperial units.