Voice 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. 
Features:
 
- Record History of Calculations.
- Simple calculator 
- New UI/Design
- Scientific calculator 
- You can carry out long calculations too. 
- It's very easy to use and very quick to calculate. 
- Percentage calculations.
- Just speak and the app will calculate all sorts of calculations.
- Easily work with many memory cells, and easily switch between them.

Just you have to speak all the equation at one time and not splitting the equation also you can carry out long calculations using this voice calculator speak talk calculator app. 

Demo :- https://www.dropbox.com/s/z897pwgl914vzxv/10_voice_calc_15.apk?dl=0

Features

 - Record History of Calculations.
- Simple calculator 
- New UI/Design
- Scientific calculator 
- You can carry out long calculations too. 
- It's very easy to use and very quick to calculate. 
- Percentage calculations.
- Just speak and the app will calculate all sorts of calculations.
- Easily work with many memory cells, and easily switch between them.

- Android Studio 

- Read "Guide" file in folder