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
Food / Drinks

Coffee Ratio Calculator

Compute how many grams of coffee to use for a chosen water volume and brew ratio (e.g., 1:16 for filter, 1:2 for espress...

basic
16,822 4.7 1 min
Other / Randomness

Random Number Generator

Generate one or more random integers in a chosen range, with optional uniqueness and optional sorting.

basic
20,890 4.6 1 min
Other / Tech

Quilt Binding Calculator

Compute the inches of binding required (perimeter + overlap), the number of 2½-inch strips needed cut from a 42-inch wid...

basic
15,721 3.9 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

Reviewed by Daniel Oh

These calculators were technically reviewed by Daniel Oh for accuracy.