Daniel Oh
Featured contributor MSc Applied Statistics; 7 years in analytics and data tooling.

Daniel Oh

Senior Contributor, Math & Statistics

0 calculators 0 articles Member since Jun 2026
Math / Percentage

Modulo Calculator

Get the remainder and quotient of integer division — the building block of modular arithmetic.

basic
22,347 3.9 1 min
Math / Geometry

Hexagon Calculator

Compute the area, perimeter, long diagonal, and short diagonal of a regular hexagon from any side length.

basic
22,643 4.7 1 min
Statistics / Probability

Z-score Calculator

Convert a raw value into a z-score using the mean and standard deviation of its distribution, and look up the correspond...

basic
15,617 4.1 1 min
tutorial Math

Percentages Without the Headache

Every "X% of Y" problem, every "what percent of", every percent-change question — written out the way you'd actually say them.

Daniel Oh Daniel Oh
3 min