# メモ電卓：履歴が残る・比較できる電卓 > A calculator that saves all calculations. Tap to reuse numbers from the history, and quickly compare discounts and sales to see which is the better deal. Canonical page: [https://chrome-stats.com/d/io.github.hysa.memocalc](https://chrome-stats.com/d/io.github.hysa.memocalc) ## Overview - **ID:** `io.github.hysa.memocalc` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** hysa - **Category:** TOOLS - **Downloads:** 5 - **Last updated:** 2026-06-07 - **First published:** 2026-06-07 - **Publisher country:** JP - **Data as of:** 2026-09-09 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=io.github.hysa.memocalc) - **Website:** [https://memocalc.hysaa.workers.dev](https://memocalc.hysaa.workers.dev/) - **Privacy policy:** [https://memocalc.hysaa.workers.dev/privacy](https://memocalc.hysaa.workers.dev/privacy) ## Description 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." ## Rankings - #2,927,927 — Overall ## Similar extensions and apps - [チャット形式で履歴が見える計算機](https://chrome-stats.com/d/jp.eclise.chat_calc) — 12 users - [シンプル電卓-履歴付き計算機](https://chrome-stats.com/d/jp.simplist_app.calc) — 13 users - [Calculadora Phone](https://chrome-stats.com/d/x.cobramobile) — 78 users - [Calculator With History](https://chrome-stats.com/d/com.vinsontech.calculatorwithhistory.paid) — 4 users - [Calculator With History](https://chrome-stats.com/d/com.vinsontech.calculatorwithhistory.free) — 57 users - [メモ電卓 メモ付き電卓で計算をもっと便利に](https://chrome-stats.com/d/jp.co.hnut.historymemocalc) — 122 users - [MyCalc](https://chrome-stats.com/d/com.sfidigital.mycalc) — 9 users - [QuickCalc](https://chrome-stats.com/d/com.quickcalcque.app) — 130 users - [Simple Calculator with History](https://chrome-stats.com/d/com.calculatorwithhistory.calculatorplus) — 867,793 users, 4.12 / 5 - [Calculator - Simple & Easy](https://chrome-stats.com/d/com.tzegian.Calculator) — 451,139 users, 4.11 / 5 - [Calcpad](https://chrome-stats.com/d/app.altpocket.calcpad) — 2,082 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/io.github.hysa.memocalc)