Calculate electrical circuit values by entering two known variables (current, resistance, voltage, or power). Adjust units dynamically for accurate results. Display total resistance and power in the circuit.
by Armchair Engineering★ 4.779 ratingsUtilities$0.99Data updated 2026-09-08
Percentages by entering two of three variables. Use a modified keyboard to input values, including fractions and decimals. Store calculations in a history log. View detailed solutions and share results. No advertisements.
Convert units of measure in text, on websites in Safari, and live in the camera view. Automatically switch between Metric, Imperial, and U.K. systems. Select preferred units for automatic .
Calculate primary and secondary full-load currents based on ratings and voltages. Determine turns ratio and type. Input phase type and voltage values to obtain current outputs and ratio calculations.
Solve problems by snapping photos of printed or handwritten equations. Receive instant step-by-step solutions with detailed explanations. Access 24/7 AI assistance for help with topics ranging from kinematics to quantum .
Convert units across 40+ categories with a single click. Switch between metric and imperial systems. Input values and select units for instant . Share results or copy to clipboard.
Control two DC motors with voltage ranges of 5-24V. Adjust speed and direction via Bluetooth. Monitor motor status and receive error alerts. Configure driver settings through the interface.
The app calculates unknown values in a voltage divider circuit. It allows users to input three known values and solves for the fourth, displaying current and power.
Convert to kilowatts and vice versa using formulas for DC, single-phase AC, and three-phase AC. Input values and select voltage type to calculate power. Display results clearly with unit options.
Connect to Power Magic Ultra via Bluetooth to manage power and settings. View capacity, remaining time, temperature, voltage, and current. Adjust settings like beep sound and total capacity.
Calculate drying environment variables by entering temperature and relative humidity to determine grains per pound. Access advanced features for vapor pressure and dew point calculations. Switch between Fahrenheit and Celsius units.
Look up values in tables with interpolation across two or three rows. Calculate interpolated results without a calculator. Used for tank calibration tables and other table-based data environments.
Perform electrical calculations using Ohm's Law, voltage, current, resistance, and power. Analyze three-phase systems with balanced and unbalanced load options. Convert units and calculate wire sizes. Save and export calculation results.
Monitor health with real-time data on voltage, energy content, and temperature. Track individual cell performance and compare trends against average values for similar vehicles. Forecast degradation and receive alerts for unusual activity.
Calculate size based on current, voltage, and temperature. Input circuit parameters to determine AWG rating. Provides resistance and voltage drop calculations. Supports FAA-approved voltages: 14VDC, 28VDC, 115VAC, 200VAC.
Convert units across multiple categories on a single screen. Perform calculations with a built-in numeric keyboard. Add custom units and categories. Navigate quickly with minimal scrolling. Supports both basic and complex conversions.
Convert units across 77 categories with over 1000 options. Perform multiple conversions on one screen. Add custom units and categories. Use built-in calculator and numeric keyboard. Convert complex measurements like height and weight between systems.
Convert units and currencies by typing queries in a single input field. Supports over 900 units and 170 currencies. Dynamically recognizes abbreviations and symbols. Search for conversions similar to web searches.