Speed Math - Human Calculator

Speed Math - Human Calculator
Forget about calculator, you no longer need it.
Practice mental math with Speed Math and become a Human Calculator.

Speed Math will help you increase your mental math calculation speed, by solving math problems as fast as you can.
Actually you can be so fast at math that people will call you a human calculator. People around you will no longer need a calculator to calculate arithmetic fast, the will ask you calculate math fast for them.
Are you ready to become a human calculator?
The game have more than 100 variants to measure your calculation speed:
Each operation (plus: '+', minus: '-', divide: '÷', multiply: '×') have a difficulty and duration options, and can be measured by time or number of tasks.