Tools for high school
Math and statistics tools for high school: percentages, powers, roots, and more.
Review math and statistics topics with calculators that provide clear results and examples. Your calculations are not stored.
Weighted averageCalculate a final grade using the weight of each assessment.Fraction simplifierReduce a fraction and see the steps behind the result.Percentage calculatorCalculate what a percentage represents of a quantity.Rule of threeSolve direct proportions with three known values.Least common multipleFind the smallest positive multiple shared by two numbers.Greatest common divisorFind the largest divisor shared by two integers.Basic calculatorSolve additions, subtractions, multiplications, and divisions.Percentage changeMeasure how much a value increased or decreased as a percentage.Mean, median, and modeAnalyze a set of numbers with three basic statistical measures.Prime factorizationBreak an integer down into its prime factors.Powers and rootsCalculate powers and nth roots with clear results.Unit converterConvert lengths, masses, and temperatures without sending data anywhere.Pythagorean theoremCalculate the hypotenuse or a leg of a right triangle.Required final exam gradeFind the exam score you need to reach your target course grade.Visual fractionsSee a fraction as equal parts and check its simplified form.Quadratic equation grapherGraph a parabola and calculate its vertex and real roots.Printable exam generator with answer keyCreate math exercises and a printable answer key.