Elecalc

Elecalc is a simple-to-use electronic engineering calculator for iOS/iPadOS. Its user-friendly interface has been designed for engineers, students and hobbyists alike. 

There are many included calculators, for example simple calculations such as Ohm's law, as well as number base conversion and a heatsink thermal resistance calculator.

There is full support for SI prefixes within the app to simplify number entry, as well as full dark mode support across the app.

Additionally, explanations and equations are provided for the calculators to explain the calculations behind the scenes.