Dad's Calculator
The calculator you reach for at the checkout line, with the measuring tape, at the stove
It keeps a notebook of everything you work out, adds up only the lines you pick, and remembers a set under a name for next time. A converter, a recipe scaler and a private diary sit right beside it.
No account, no ads, no personal data collected. Everything stays on your device.
On the menu
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Every calculation stays in a notebook. Pick lines to get their sum and average, or name a set (groceries, quotes) and find it later.
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Type one number, see every unit at once. Star the ones you use.
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Recipe for 4, dinner for 6? Change the servings and every amount follows. Send the recipe to a friend as a link.
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Body measurements and weight, kept private behind a lock.
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Notebook by day, chalkboard by night. English and Korean.
New in the app
Recipe sharing: send a saved recipe to a friend as a link. It opens in the app, or in any browser if they do not have it yet.