Kriss Kross is a popular, logic-based, combinatorial word-placement puzzle.
Sudoku is a popular, logic-based, combinatorial number-placement puzzle.
Gross Pay Calculator is a simple online utility that helps you calculate total gross pay before taxes or deductions, based on hours worked at standard, overtime, and double time rates.
Tip Calculator is a simple online utility that helps you calculate the tip on any bill and split the total between multiple people.
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.
Flip a virtual coin instantly and track heads or tails statistics across multiple flips.
Count words, characters, sentences, and paragraphs in your text instantly.
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.