Update README.md

Author: codingbychanche

README.md

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 # Resistors
 A collection of algorithms helping to calculate the properties of resistors. E.g. find the closest value of a standard resistor within a given error margin for a resistance needed. The tool will tell you the standard value and the first standard series in which it was found.
 
+[Voltage Divider App, an App I wrote, you might want to check it out...](https://play.google.com/store/apps/details?id=com.berthold.voltagedivider)
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 ![](SampleOutput.png)