XoverPi
XoverPi calculator guides

Math calculators that make decisions clearer.

Solve everyday math problems with XoverPi calculators for percentages, averages, geometry, and algebra.

Percentages and comparisons

Use a percentage to express a part of a whole. Percentage change compares a new value with the original; always check which value is the baseline.

Percentage calculatorFind a percentage of a number.Percentage changeCompare values and calculate percent change.Average calculatorFind the arithmetic mean.

Geometry and measurements

Use consistent measurement units. Area is measured in square units while volume is measured in cubic units.

Circle calculatorFind circle properties.Triangle areaCalculate area from base and height.Pythagorean theoremSolve right-triangle side lengths.Cylinder volumeEstimate volume of cylindrical objects.

Algebra

Check your input signs and units before interpreting a computed result.

Quadratic calculatorSolve quadratic equations.