Sales Tax Calculator is a simple online utility that helps you calculate sales tax on purchases or determine the pre-tax price from a total amount.
Interactive Scrum Poker card selector for agile story point estimation.
Count words, characters, sentences, and paragraphs in your text instantly.
Flip a virtual coin instantly and track heads or tails statistics across multiple flips.
Count characters, words, lines, and bytes in your text instantly. Set a character limit to track remaining or exceeded characters.
Browse organic compound classes with their functional groups, formulas, and uses.
A scientific notation converter instantly converts any number to scientific notation, E notation, engineering notation, and decimal form.
A percentage calculator lets you solve the three most common percentage problems instantly.
A standard deviation calculator computes how spread out values are from the mean in a dataset.
An interquartile range calculator identifies the spread of the middle 50% of values in a dataset.
A variance calculator identifies how far a set of values are spread out from their mean.
A coefficient of variation calculator identifies the relative variability of a dataset by expressing the standard deviation as a percentage of the mean.