Electronics Assistant - Electronics Assistant is a Windows program that performs electronics-related calculations.
ElectroDroid Pro - ElectroDroid Pro is an app that provides you electronic references and tools with detailed explanations.
Coil32 - Coil32 is one of the best apps featured with an inductance coil calculator to calculate chokes, flat square coils, and single/multi-layer air-core inductors on printed circuit boards.
ECStudio - ECStudio app provides you with features that allow you to learn about the building of electric circuits and electronic circuit simulation so you can calculate various values of circuits right at your fingertips.
Calculatoredge - calculators, engineering, mechanical, electrical, electronics, design, construction, manufacturing, consultant, layout, software, chemical, plastic, polymers
HScope - HScope is one of the best mobile apps introduced by MartinLoren that help you in making your USB Oscilloscope portable to analyze up to 1000 scans per second effortlessly.