Calf Trail Software

NOTE: Pseudorandom Software is the new home of Inbugz. Learn more.


Resistulator icon

A resistor value calculator built to be a breeze to use, while still doing its part to help you learn the color code yourself. We worked with designer Nicholas Zambetti to bring his handsome dashboard widget to your iPhone.

Buy Resistulator in the iPhone App Store!


Screenshot of Resistulator main interface Set each band's color with a tap, to quickly see the corresponding resistance value.
Screenshot of Resistulator precision resistor mode Change between the standard "4 band" style or the high precision "5 band" style by choosing the resistor type from along the bottom.
Screenshot of Resistulator settings Screenshot of Resistulator terse value display If you'd like to have the resistor's value formatted in the terse form used internationally, use the configuration provided for Resistulator in your device's Settings.