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

Beer ABV Calculator

Estimate the alcohol-by-volume (ABV) of a homebrew from the original and final specific gravity readings using the stand...

basic
8,659 4.2 1 min
Conversions

Time Converter

Convert between common units of time including milliseconds, seconds, minutes, hours, days, weeks, months, and years.

basic
16,357 4.1 1 min
Physics / Mechanics

Specific Heat Calculator

Compute the heat required to change the temperature of a substance from its mass, specific heat capacity, and temperatur...

basic
15,596 4.8 1 min
Math / Geometry

Trigonometry Calculator

Compute sine, cosine, tangent, secant, cosecant, and cotangent of any angle in degrees or radians.

basic
5,200 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