Math Tools

Convert standard numbers into scientific notation and back for math, science, and classroom work.

Measure how far a value is from the mean in standard deviation units.

Calculate percent error from accepted and experimental values for science and math work.

Calculate a weighted average from rows of values and weights for grades and other scored data.

Work out sphere measurements for math problems, containers, and size comparisons.

Measure cylinder size for tanks, containers, geometry work, and quick planning.

Work out key rectangular prism measurements for packaging, storage, and geometry tasks.

Calculate Euclidean distance between two points for geometry, graphing, and quick checks.

Calculate midpoint coordinates from two points for geometry and graphing work.

Calculate rise over run for a line through two points and see the matching equation.