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RS Toolbox App
Get electronics reference at your fingertips. Download the FREE RS Toolbox App from RS.
At RS we believe that engineers should be able to access design reference any time and anywhere.
That’s why we’ve
created the FREE RS Toolbox App – so you can have the handy tools you need, right in your pocket.
We have started
with a set of useful ‘minitools’ in the app and will be regularly adding more tools based on your feedback. The possibilities
are endless so try RS Toolbox and let us know what you think!
RS Toolbox App

Features & Benefits
- Greater reliability with all the design lookup tables and calculation tools you need in one place
- Colour codes: include resistor, capacitor, transistor and inductor codes
- Calculation tools: include filter circuits, OpAmp, Ohm’s Law, voltage regulator and unit conversion formulae
- Lookup tables: include batteries, cable colours, conductor properties, IP ratings, SI units and more
- Design anytime and anywhere: access your calculations, references and datasheets on the move
- Group into projects: pull in group designs and calculations from multiple tools into one project
- News: get all the latest updates and promotions from RS, design tips & more!
- Available on iOS devices
- Available in 16 languages
- Free to download from Apple App Store

RS Toolbox App frequently asked questions
How do I get the calculations out of the App?
There are various export options including E-mail. You can either export a Project which combines multiple results or you can export from individual 'minitools' to continue the work on your PC.