This application is intended for engineers and students who are looking for a reference tool for electrical and RF engineering. Easily determine the resistor and capacitor values based on their color codes, or vice versa. Calculate electrical values based on Ohm's Law. RF engineers can also simulate a Smith Chart diagram.

This application is created as part of a collaboration project between Keysight Technologies and National University of Singapore.

What’s New

Version 2.0

-Rebranded to Keysight Technologies
-Updated to support iOS8

Ratings and Reviews

3.4 out of 5
10 Ratings

10 Ratings

iCrapMyPlants ,

Dead App?

Is this App still supported? Apple App Compatibility shows no updates available for this App that won't be able to run on iOS 11.

The_Real_Big_Z ,

Awesome App

Has everything that i need for class!

doninlancaster ,

Needs fixed

The resistor calc has an odd banner across the values and it's rendering the tool useless. Please fix it, thanks!

App Privacy

The developer, Keysight Technologies, Inc., has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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