The toolbox · Everyday helpers
A small, carefully built set of tools for the jobs nobody wants to do by hand — solving number puzzles, checking your writing, and working out dates and ages to the second.
Explore the toolsNo account needed
Inside the toolbox
Eight tools
- 01Whitzle ProWork a 3×3 number grid and see every equation that reaches the target.
- 0224 GameFour numbers, four operations — find every way to make 24.
- 03Worksheet AnalyzerPhotograph a worksheet and get every problem transcribed and solved.
- 04Grammar CheckerCorrect grammar, capitals and punctuation in anything you paste in.
- 05Spelling Bee HelperHear a word, type it, and get a quick definition when you're stuck.
- 06Age CalculatorYour exact age to the second, plus milestones and future birthdays.
- 07Average CalculatorPaste any list of numbers and get the average as you type.
- 08Saved SolvesEvery answer you've saved, kept together in one place.
Games
Play a round
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Hamburger Clicker
Click for burgers, then buy upgrades that click back for you.
PlayMore games are being built — they'll show up here next to this one.
