Launching today

Ratkio

Launching today

Calculations you can understand, not just answers

2 followers

Calculations you can understand, not just answers

2 followers

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Useful online calculators for business, finance, mathematics, science, and more. Ratkio is a growing library of practical calculators for business, finance, mathematics, science, and everyday questions. It is built to give you more than a number: each calculator aims to make the method, assumptions, and result easier to understand.

Free

Launch tags:Productivity•User Experience•Education

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Maker

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Hi Product Hunt! 👋 Why Ratkio? Ratkio is a coined brand name inspired by the Finnish words ratkoa, meaning to solve or untangle, and ratkoja, meaning a solver. It captures the purpose of the platform: breaking down problems, making each step clear, and guiding you towards a reliable answer. I created Ratkio to be more than a collection of calculators. The goal is to help people understand how an answer is reached, with clear methods, detailed results, and useful explanations across a growing range of subjects. This is only the beginning, and I’d genuinely appreciate your feedback. Which calculators or features would you find most useful?

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13h ago