RC Circuit Pro app for iPhone and iPad

This app is used to calculate the RC charging and RC filter circuit. It is suitable for hobbyist or electronic engineer.

Features
* Calculate time constant from R, C
* Find component value R,C from time constant
* Get voltage at time t in RC charging / discharging
* Calculate cutoff frequency by R, C
* Find component value R,C from cutoff frequency
* Save data to CSV files
* Upload CSV via AirDrop / iCloud Drive
* Support English, German, French, Italian, Spanish, Portuguese, Japanese, Traditional Chinese, Simplified Chinese