Ohm's Law & Power Law Calculator

Ohm's Law & Power Law Calculator

by Cressall Resistors Ltd

26 ratings
71 reviews
Free

Details

  • Released
  • Updated
  • January 16, 2013
  • June 12, 2017

Features

Ohm's Law & Power Law Calculator screenshot #1 for iPhone
Ohm's Law & Power Law Calculator screenshot #2 for iPhone
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About

This app calculates electrical parameters based on Ohm's and power laws. Input any two values (voltage, current, resistance, or power) and the app will automatically compute the remaining two. It allows for continuous "what-if" scenarios by locking one parameter and recalculating others.

Ohm's Law calculations
Power Law calculations
Lock and unlock parameters
Rapid "what-if" recalculations
Multi-language support
Intuitive keypad input
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What's New in Ohm's Law & Power Law Calculator

1.7

June 12, 2017

This app has been updated by Apple to display the Apple Watch app icon. Latest iOS support(64 Bit). Minor UI improvements.

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User reviews

Good App

Helps me when working on cars, motorcycles, boats etc.

Eccezionale applicazione

E’ da più di due anni che uso Cressal e posso affermare che è utili e facilissima da usare. Complimenti allo sviluppatore.

Condivido

Condivido con tutte le alte recensioni… veramente utile.

Très bien

Applications pratiques

My “Go To”

The first app I turn to when figuring out my RV battery loads and inverter efficiency issues. Love it!!!

FAQ

What does this app do?

This application calculates electrical parameters based on Ohm's Law and the Power Law. You can input any two electrical entities (voltage, current, resistance, or power) and the app will automatically compute the other two. It's designed for rapid "what-if" scenario analysis in electrical calculations.

How do I use the calculator?

Use the keypad to enter a value, then tap the parameter you wish to set. This parameter will be locked, indicated by a padlock symbol. Then, enter another parameter, and the remaining two will be calculated. You can change which parameter is fixed by tapping it when the input box is empty or by dragging the padlock.

Is this app free to use?

Yes, this application is completely free to use. There are no in-app purchases or advertisements, and it does not require a subscription.

What electrical entities can be calculated?

The app calculates Voltage (Volts), Current (Amps), Resistance (Ohms), and Power (Watts). By setting any two of these, the other two can be determined using Ohm's Law (V=IR) and the Power Law (P=VI).

What languages does the app support?

The application is available in multiple languages, including English, French, German, Swedish, Russian, Polish, Spanish, Italian, and Chinese (Traditional & Simplified).