# Solve calculation by cellphone — Studying problem by calculator

> Studying problem by calculator (iPhone/iPad app by MUTSUMI SUZUKI.)

- Source: https://appshunter.io/ios/app/solve-calculation-by-cellphone/id6450938144 (this page in markdown: same URL + `.md`)
- Developer: [MUTSUMI SUZUKI](https://appshunter.io/developer/1612946812)
- Category: Education, Finance
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 12.0 · 53 MB
- Languages: English, Japanese
- Released: 2023-07-11
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/solve-calculation-by-cellphone/id6450938144/reviews.md

## What is Solve calculation by cellphone?

【SAT/ACT】 【GMAT】 【CFA】【USCPA】【FE/PE】　... And so on!

A fill-in-the-blanks type learning application specialized for learning calculation problems using a calculator is now available!

For certification exams where you want to practice questions using a calculator, this app makes it easy to start learning on your smartphone!

With this app, you can take a picture of a reference book, problem set, or explanation with the camera, process it into a fill-in-the-blank format, and start learning right away using the in-app calculator!


　Learning method: Two types of learning modes are available: Tap mode and Input mode.
　Fill-in-the-blanks mode: Tap to display the filled-in area, with the answer hidden by a fill-in-the-blank.
　Input mode: Enter numerical values in the filled-in areas and check your answers at the end.

　　Fill-in-the-blanks mode is for studying how to solve puzzles easily.
　　Fill-in-the-blanks mode is for studying in earnest in preparation for the real exam.

　You can change the learning method according to your learning steps and time availability.

　In-app calculator: In the input mode, you can use the calculator in the app to enter numbers, but it is difficult to type numbers on a calculator on a smartphone.

　So, you can register numerical values to fill in the holes
　When in tap mode... Tap a fill-in-the-blank and the calculator will instantly reflect the registered numerical value.
　In input mode: ...... Tap a fill-in-the-blank to instantly reflect the value you have entered into the calculator.

　Reduce the number of times you have to type on the calculator and focus on learning how to solve math problems.

　Start learning instantly: Numerical value recognition automatically creates fill-in-the-blanks where you want to hide numbers.
　You can also manually add as many fill-in-the-blanks as you like, and change their size and position.
　The recognized numerical values are automatically registered as fill-in-the-blanks.

　Offline support: Once you create a question in the application, you can study it even without an Internet connection.
　(Please note that some functions, such as image recognition, will not be available.)



---------About Subscription Plans---------

In the free version...
　△ Create up to 3 questions...
　△ Add up to 5 pages per question...
　△ Advertisements are displayed at the top of the screen and in other places...

Subscribe to our plans
　- Unlimited number of questions!
　- Unlimited number of additional pages!
　- No ads!
  
You can add unlimited questions and pages to your plan without any advertising!
(However, if you delete a question or page from the menu, you will not be able to restore it.)

You can subscribe to the plan only when you want to add more questions and concentrate on learning.


-Restoration when changing the device model
When you change your device, you can restore your previously purchased subscription plan for free as long as you are still within the subscription period.

-Confirmation and cancellation
Open the "Settings" app from your iPhone-> Select Apple ID-> Select "Subscriptions"-> From this screen you can check the next auto-renewal timing and cancel/set auto-renewal.

-About auto-renewal billing
If you do not cancel the auto-renewal at least 24 hours before the end of the subscription period, the subscription period will be automatically renewed. Auto renewal billing will be performed within 24 hours of the end of the subscription period.

-Notes
If you have been billed in the application, you cannot cancel by any method other than those listed above.
Cancellation of the current month's subscription will not be accepted.
Billing is done via your iTunes account.


Privacy Policy and Terms of Use
Please refer to the link below or from the menu in the application.

Privacy Policy
https://mutsumi-suzuki-developpage.web.app

Terms of Use
https://mutsumi-suzuki-developpage.web.app?section=terms

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Unlimited number of problems | $1.99 | per month |



## Version history (last 5 releases)

### 3.0.0 — 2024-04-04

1. iPad is now supported.
2. The design and UI of the study page and question edit page have been changed as follows
Study page
-Image pages can now be scrolled horizontally.
-The bottom navigation at the bottom of the screen can now be used to navigate through image pages.
-The position of the in-app calculator can now be adjusted.
Problem Editing Page
-Fill-in-the-blanks can now be resized by dragging the corners.
-When adding an image page by camera, documents can now be cropped and their orientation can be corrected.
3. In addition, dark mode is now supported and a contact form has been set up.

### 2.2.2 — 2024-02-18

-Minor UI fixed

### 2.2.1 — 2023-11-11

- Fixed a problem with image recognition

### 2.2.0 — 2023-10-14

-Added sample questions.
-minor UI fixes

### 2.1.1 — 2023-09-24

- Minor ui fixed

## Apps similar to Solve calculation by cellphone

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [簿記３級 速仕訳トレーニング](https://appshunter.io/ios/app/id1591783165) | — | Free | Education |
| [スマ簿記3級 - 日商検定の仕訳学習 2026年最新対応](https://appshunter.io/ios/app/3-2026/id6449877547) | — | Free | Education |
| [税理士試験 財務諸表論](https://appshunter.io/ios/app/id6479625376) | — | Free | Education |
| [パブロフ簿記１級理論](https://appshunter.io/ios/app/id562626259) | 5.0 (1) | $4.99 | Education |
| [中国語単語帳-バオバオと楽しく入門しよう](https://appshunter.io/ios/app/id6451206900) | 5.0 (1) | Free | Education |
| [簿記モバ3級Lite](https://appshunter.io/ios/app/3lite/id1530220647) | — | Free | Education |

## More apps by MUTSUMI SUZUKI

- [Household-Review fixed cost](https://appshunter.io/ios/app/household-review-fixed-cost/id1612946810)
- [Copy Paste List-Only One Tap](https://appshunter.io/ios/app/copy-paste-list-only-one-tap/id1632775516)
- [全商1級・日商2級 原価計算・工業簿記-実践問題の学習で合格](https://appshunter.io/ios/app/12/id1639301783)
- [全商簿記１級原価計算 - 基礎問題](https://appshunter.io/ios/app/id6443824559)
- [Master VLOOKUP and Spreadsheet](https://appshunter.io/ios/app/master-vlookup-and-spreadsheet/id6449613878)
- [Swift Sum Billing Statement](https://appshunter.io/ios/app/swift-sum-billing-statement/id6450424860)

All apps by MUTSUMI SUZUKI: https://appshunter.io/developer/1612946812

## Related topics

[mutsumi suzuki](https://appshunter.io/ios/topics/mutsumi-suzuki)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-19.*