...Ohms, Kirchhoff, Parralel Res., Voltage Divider, Wheatstone, Reistor Color, Zener diode, LED resistor, capacitor, inductor, transformer, capacitive reactance, Transformerless adaptor, R-C Time calculator, Flip-Flop, NE555 calculator, TL431 calculator, 78XX, LM317, Current Limiter, Transistor Regulator, Current Mirror, Battery charge calculations, transistor calculator, mosfet, pass filters, opamp, schmitt-trigger, signal generator, darlington-sziklai, ladder DAC, Long Tailed Pair, Buck-Boost, Logic Gates, Antenna Length, Trace Size, Decibell, Unit Converter, Cable Dia, Electronic Filters, 7 Segment digital, toroid core, smd code, resistor standard finder, heatsink calculator. My Github: https://github.com/shampuan/QTronics-Toolset