Calculate , Active , or Apparent using the formulas PF = P ÷ S, P = PF × S, and S = P ÷ PF. Enter any two values to instantly compute the third. Perform electrical efficiency calculations with precise mathematical relationships.
Calculate electrical values using formulas for voltage, current, resistance, power, and more. Determine wire size and voltage drop. Perform transformer and generator calculations. Convert between electrical units.
Provides tools for and electronics calculations. Users can compute resistance, voltage, current, and power. Includes resistor color code conversion and voltage drop calculations aligned with NEC/IEEE standards. Supports USCS and SI units.
Calculate values using resistor color codes, voltage, current, and resistance formulas. Perform impedance and RLC circuit analysis. Input values to get accurate results for engineering, wiring, and circuit design tasks.
’s provides access to electrical theory topics, including exercises with answers. Features interactive diagrams for hands-on learning. Includes calculators and formulas for electrical calculations. Works offline without ads or subscriptions.
Datasheet search allows users to find electronic components. Resistor color codes and markings are decoded for 4, 5, and 6 band codes. Electronic symbols are displayed according to IEC 60617, IEEE 315, and GOST standards.
Calculate values using voltage, current, resistance, and power formulas. Access single and three phase calculators, horsepower tools, and unit converters. Unlock additional features with an in- purchase.
Allows users to perform complex calculations with a natural display that shows expressions as written. It supports fractions, roots, and exponents. The includes a graphing module for visualizing equations.
Solve math problems with capabilities. Input equations, view function graphs, and analyze statistical data. Perform calculations in algebra, calculus, and statistics. Navigate using arrow keys or touch gestures.
Solve equations and graph functions with advanced math support. Perform calculus operations and matrix calculations. Access detailed tutorials and a comprehensive user manual. Export results and share calculations.
Edit equations during calculations. Save, copy, and share calculation history. Access memory for last calculations. Use dark mode. Support drag and drop. Enable split view for . Perform basic calculations on iPhone and Apple Watch.