EXCELLENT ALTERNATIVE TO THE WINDOWS BUILT-IN CALCULATOR
Advanced Arithmetic Calculator is a small, simple, easy to use application specially designed to help you solve sums of numbers, subtractions of numbers, multiplications and divisions of numbers.
Basically this tool will open in your command prompt enabling you to enter the equation to solve and let the app take care of the rest.
Initially, users could only enter the same arithmetic symbol and get a correct answer: 3*3*3=27
Now, you can mix operations ang get a correct answer: 3*3-27/3=0.
You can use Testing Arithmetic Knowledge with Advanced Arithmetic Calculator because that way you will be able to train your knowledge of arithmetic quickly and easily.
download HERE, source softpedia