You can perform simple as well as complicated calculation by just speaking. Just keep in mind that
you have to speak all the equation at one time and not splitting the equation. 
Calculator is a basic need of today life, Voice Calculator is very useful for Students, Teachers,
Children's and All Peoples.
Make two or more calculations simultaneously. To do this, you can switch editing screens with a
horizontal swipe along the top edge.
It is very simple to use while you are doing any kind of paper calculation and you have to use
calculator at the same time as well then go for Voice Calculator.
On professional level and in shopping areas useful calculating tool is great need,
Voice Calculator : Speak and Talk Calculatoris fast
calculator at that time. 
Instructions to use.
Speak "plus" for addition
Speak "Minus" for subtraction
Speak "Multiply by" for multiplication
Speak "Divide by" for divide nation

#$#$#$#$ Key Inbuilt Feature $#$#$#$#
+ Record History of Calculations.
+ Quickly copy the result to the clipboard simply by tapping it.
+ New UI/Design
+ Reliable to use .
+ 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.