Free online calculators

3 tools

Single-purpose calculators for dates, percentages, ratios, grades, time zones and everyday arithmetic. The best ones show their formula so you can check the result; the listing links to the calculator itself, not to a page full of ads around it.

Showing 1–3 of 3

0.588score
Why Adding a Person Didn't Help
zoltlabs
Animated support-desk model using Erlang C that shows waits exploding near full utilisation and how much an extra agent helps.
ArtifactNo sign-upcalculators
0.556score
GPU-Friendly Numbers Calculator
slatteryjim
Rounds a number such as a vocabulary size up to the next GPU-friendly multiple and shows the difference.
ArtifactNo sign-upcalculators
0.556score
Statistical Significance Calculator
itchyfingerss
Checks whether the difference between two A/B test results is statistically significant.
ArtifactNo sign-upcalculators