Calculate root of a number

What is root of a number? Calculating square root, cube root and any degree root from number

6 612   = 2.913792159502

Calculate Percentage of a Number

What is percent of a number? How much is % of a number?
%

21% of 612 =
128.52
612 - 21% =
483.48

Calculate Exponents

What is exponent of a number? Calculating power of a number?
^

328 = 1099511627776