PCD and Chord Calculator, developed by WeShal, is a free Android application that can be used to calculate various parameters related to flange calculation. It is designed to help users calculate the pitch circle diameter (PCD) for a given number of studs, wheel bolts, or wheel rim holes. Additionally, it can calculate the chord length for a given PCD and number of studs, as well as the number of studs for a given PCD and chord length. Moreover, the app can also determine the angle between two studs, wheel bolts, or wheel rim holes. Furthermore, it has the ability to generate CNC G-CODE for bolts and share it as text or image with drawing.

The app is lightweight and takes up very little space on your device. It is intended for reference use only and can be very helpful for any type of flange calculation. Overall, PCD and Chord Calculator is a useful tool for anyone who needs to perform calculations related to flange calculation.