This app is a collection of basic electronic calculators. It is suitable for hobbyist, electronic engineers or professionals. Features • Calculate resistance of 2 resistors in series / parallel • To find out combinations of 2 resistors in series / in parallel making a desired resistance • Calculate ratio of voltage divider and find out combinations of resistor making a desired ratio • Calculate inverting amplifier gain and find out combinations of resistor making a desired ratio • Ohm's Law calculation • Star-delta conversion • RC charging circuit : Calculate time constant by R and C • RC Filter : Calculate cutoff frequency by resistor and capacitor value and find out combinations of resistance and capacitance making a desired cutoff frequency • RL Filter : Calculate cutoff frequency by resistor and inductor value and find out combinations of resistance and inductance making a desired cutoff frequency • LC Filter : Calculate resonant frequency by capacitor and inductor values and find out combinations of capacitance and inductance making a desired resonant frequency • Calculate monostable circuit • Calculate frequency of astable circuit and find out combinations of capacitor and resistor making a desired astable frequency • Save combinations in CSV file • Upload CSV file to iCloud Drive (For iOS8 or later) • Send file via AirDrop