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

Weighted Average Calculator

Compute a weighted average from two equal-length lists of values and weights — useful for grades, weighted survey scores...

basic
16,837 4.2 1 min
Math / Percentage

Exponential Growth Calculator

Project a quantity that grows continuously at a constant rate r over time t, using the standard exponential growth model...

basic
16,874 4.9 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