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 / Geometry

Triangle Calculator

Solve a triangle from any valid combination of sides and angles — SSS, SAS, ASA, AAS, or SSA.

Featured basic
6,361 4.9 1 min
Math / Geometry

Spherical Cap Volume Calculator

Compute the volume of a spherical cap (the portion of a sphere cut off by a plane) from the sphere's radius and the cap'...

basic
21,600 3.8 1 min
Math / Percentage

Percent Difference Calculator

Compute the percent difference between two values — the absolute difference divided by their average, expressed as a per...

basic
8,484 4.2 1 min
Statistics

Odds Ratio Calculator

Compute the odds ratio from a 2×2 contingency table (exposed/non-exposed × outcome/no-outcome). OR > 1 means exposure is...

basic
7,930 4.6 1 min
Chemistry / Solutions

Normality Calculator

Compute the normality (N) of a solution from its molarity (M) and the number of equivalents per mole.

basic
16,630 4.4 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