GUAO
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 average
Calculate a final grade using the weight of each assessment.
Open toolFraction simplifier
Reduce a fraction and see the steps behind the result.
Open toolPercentage calculator
Calculate what a percentage represents of a quantity.
Open toolRule of three
Solve direct proportions with three known values.
Open toolLeast common multiple
Find the smallest positive multiple shared by two numbers.
Open toolGreatest common divisor
Find the largest divisor shared by two integers.
Open toolBasic calculator
Solve additions, subtractions, multiplications, and divisions.
Open toolPercentage change
Measure how much a value increased or decreased as a percentage.
Open toolMean, median, and mode
Analyze a set of numbers with three basic statistical measures.
Open toolPrime factorization
Break an integer down into its prime factors.
Open toolPowers and roots
Calculate powers and nth roots with clear results.
Open toolUnit converter
Convert lengths, masses, and temperatures without sending data anywhere.
Open toolPythagorean theorem
Calculate the hypotenuse or a leg of a right triangle.
Open toolRequired final exam grade
Find the exam score you need to reach your target course grade.
Open toolVisual fractions
See a fraction as equal parts and check its simplified form.
Open toolQuadratic equation grapher
Graph a parabola and calculate its vertex and real roots.
Open toolPrintable exam generator with answer key
Create math exercises and a printable answer key.
Open tool