Ratio distribution
Scale two-part ratios to a specified total.
Open tool →Tools and learning resources
Choose a specific tool and review the method and limitations before relying on a result.
Percentage of a number
Find a percent of any numeric amount.
Open tool →Quadratic roots
Solve ax²+bx+c=0 using the quadratic formula.
Open tool →Fraction arithmetic
Add, subtract, multiply or divide two fractions and simplify the result.
Open tool →GCD and LCM
Find the greatest common divisor and least common multiple of integers.
Open tool →