All in One Android calculator is the essential source code for your android studio project, simple and easy to use with a sleek ui design – the perfect all in tool for Android. It has the main functions and characteristics of a scientific calculator.

Voice calculator  is very accurate, Speedy and Accurate Application for your Android Phone. It’s very easy to use and very quick to calculate. You can perform faster calculation then typing or pressing keys. 

Voice Calculator is voice command calculator app in which you can just speak and voice calculator will automatically calculate and give quick answer of your calculation what you say. it is fastest voice typing calculator for calculation. You can perform simple as well as complicated calculation by just speaking and talking calculator.