CalculateQuick

Where numbers come to play

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Stay Sharp The Chrome Extension for math nerds!

Perfect Percentage CalculatorCalculate percentages with no cognitive load

CalculateQuickWhere numbers come to play

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11mo ago

Stay Sharp - The Chrome Extension for math nerds!

Turn every new tab into a quick math challenge and keep your numerical skills sharp! Stay Sharp is a minimalist Chrome Extension that replaces your new tab page with a math challenge. Each time you open a tab, you get a new arithmetic problem to solve.

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11mo ago

Perfect Percentage Calculator - Calculate percentages with no cognitive load

Calculate percentages instantly with our free online calculator. Find percent of a number, percentage increase/decrease, or determine percentage change. Designed for frictionless use - and you can take it across the web with the free Chrome Extension!

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11mo ago

The best percentage calculator on the web!

I reviewed and analysed over 30,000 user sessions, heatmap and usage trends to tweak and build the best percentage calculator on the web and even turned it into a free chrome extension that you can take with you! If you think there is a better one - please plug it!