Professional, high quality Android apps are provided free as part of Tronisoft's free STEM application series.

A professional, high quality Resistor Color Code Calculator with an enhanced user interface for quick determination of component values especially those in-circuit that cannot be measured accurately. Also a "Resistor SMD Code Calculator for 4 different code types. Get instant surface mount results: mOhm (milliOhm), Ohm, kOhm, MOhm (MegaOhm) and GOhm.

Feel free to submit further electronics or STEM related app suggestions to us and we will look at getting it done!