メモ電卓：履歴が残る・比較できる電卓

hysa

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About this app

A regular calculator erases all previous calculations when you press the equals sign (=).

This calculator was created to eliminate the need to constantly ask, "Wait, how much was it just now?" It keeps your calculations like notes.

— What it can do —

◆ All calculations are saved
Not only the results, but the entire calculation itself is saved in the history. You can review quick calculations for shopping or household expenses as many times as you like, using it as a memo. It automatically saves, so calculations won't disappear even if you close the app.

◆ Numbers can be reused with a tap
Simply tap the numbers or results in the history to input them directly into the current calculation. There's no need to re-enter the same numbers.

◆ Easily compare "Which is a better deal?"
Simply duplicate the calculation and slightly change the numbers, and the results will automatically appear side-by-side. The difference is immediately apparent, so you can quickly determine which is cheaper: "30% off 3,000 yen" or "40% off 4,000 yen."


◆ Share Comparison Results as Images
You can share comparisons as a single image via LINE, etc. This makes it easy to ask "Which do you think is better?"

― For These Situations ―
・Shopping: Comparing discounts, sales, and coupons; calculating tax-inclusive prices
・Splitting Bills: Dividing by the number of people; adjusting fractions
・Household Budgeting: Totaling food and utility costs; rough budgeting
・Work: Estimating; quantity x unit price; quick checks

― Main Features ―
・Calculation History (formulas and results are saved / automatic saving)
・Reuse history numbers and results with a tap
・Duplicate formulas and compare with differences
・Share comparison results as images
・Percentage Calculation (discounts, sales tax, etc.)
・Calculations with parentheses; comma display for 3-digit separators
・Simple and intuitive operation / Japanese and English support

― About Pricing ―
It's free to use. Ads are displayed to support the service, but watching a video ad once will hide ads for one week. There are no one-time purchases or subscription fees.

From daily shopping to work calculations. Please try the "calculator that saves intermediate steps."

What’s new

初回リリース。計算履歴が残り、数字の再利用や結果の比較ができる電卓です。