A Voice Calculator is a handy app for people who need to perform a lot of calculations during the day. It is a very useful tool for people who work in an office environment or who have to do a lot of mathematical calculations. This is one of the best Android applications for performing voice-activated calculations. It is very easy to use and it has multiple calculators that you can use for your day-to-day calculations. 

This application requires an internet connection. You will have to speak all the equations at the same time. You can get the result by tapping on the button that says "Calculate". You can also get the result by tapping on the speaker button. 

This is a simple and user-friendly application. It can be used for performing simple and complex calculations. The best thing is that it is very easy to use.