# Rolled Paper Calculator — Innovative Calc w/ History

> Innovative calculator with scrolling display, multiple modes, and note-taking. (iPhone/iPad app by mobazo.)

- Source: https://appshunter.io/ios/app/rolled-paper-calculator/id390235996 (this page in markdown: same URL + `.md`)
- Developer: [mobazo](https://appshunter.io/developer/386524105)
- Category: Finance, Utilities
- Price: Free
- Rating: 4.80/5 from 28 App Store ratings · 98 written reviews indexed
- Age rating: 4+
- Requires: iOS 16.6 · 5 MB
- Languages: American English, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French (France), German (Germany) and 23 more
- Released: 2010-09-11
- Data updated: 2026-08-31
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/rolled-paper-calculator/id390235996/reviews.md

## What is Rolled Paper Calculator?

~ An Innovative, User-Friendly Calculator with History ~
Selected as one of AppBank's Best iPhone Apps of 2010, this calculator is highly regarded by many users. It makes daily calculations easier and more accurate.

Use cases: Calculating expenses while shopping, double-checking household finances, calculating business expenses, learning tool for students, etc.

Main Features:
1. Scrolling Paper Display
Displays calculations like a scroll, allowing you to check your work anytime. Easily review past calculations by scrolling.

2. Standard/Advanced/Note Keyboard Switching
Equipped with three keyboard modes: Standard, Advanced, and Note. Easily switch between modes based on user preference and calculation needs.
- Standard: Provides simple, easy-to-use basic calculator functions
- Advanced: Extended keyboard with more advanced features
- Note: Offers note-taking functionality to save and manage calculation results

3. Flexible Decimal Point Modes
Three decimal point modes:
- F (Free): No limit on decimal places
- 0 (Zero): Displays integers only
- 2 (Euro mode): Displays up to two decimal places
Easily switch using the "dp/VAT" button (Advanced mode).

4. VAT Calculation Feature
Long-press the "dp/VAT" button in Advanced mode to set the VAT rate. After setting, simply switch to +VAT mode using the "dp/VAT" button to automatically add tax to calculations.

5. Scan Function
Use the "SCAN" button in Advanced mode to scan numbers from receipts or price lists for automatic input. Especially useful for accurately entering large numbers for tax returns.

6. Advanced Calculation Features
- Square root calculation: Easily calculate square roots with the "√" button.
- Sign inversion: Switch between positive and negative values with the "±↻" button.
- Backspace function: Delete the last digit in case of input errors (Advanced mode).
- Restore function: Restore deleted numbers (Advanced mode).
- C/AC function: Press "C/AC" to reset current input or calculation results. Long-press to clear all scroll content and choose whether to save as a note.

7. Copy Function
Copy calculation history displayed on the scroll to the clipboard using the "copy" button in Advanced mode.

8. Total Calculation Function
The "=/Σ" button displays normal calculation results. In Advanced mode, long-press to calculate the sum of all results displayed on the scroll.

9. Note Function
Save calculation results as notes for later reference or editing. Saved notes are grouped by date for easy management. Create notes by:
- Long-pressing the "C/AC" button to clear all scroll content and save as a note.
- Creating or editing notes in Note mode.

10. User-Friendly Interface
- Intuitive operation
- Clear display
- Dark mode support
- Easy switching between Standard/Advanced/Note modes

11. NoteToCalc Function
Import saved note content directly into the calculator. Main purpose: Record unit prices as memos without using the calculator function, then perform batch calculations later.

12. All Sum Function
After importing note content using NoteToCalc, long-press the "+/sum" button in Advanced mode to automatically calculate the sum of all imported values.

Compatible Devices
Available on iPhone, iPad, and Mac (Apple Silicon). Provides layouts optimized for each device's screen size.

## Key features

- Scrolling paper display
- Standard/Advanced/Note keyboard modes
- Flexible decimal point modes
- VAT calculation
- Scan function for input
- Note-taking and management
- Copy calculation history

## Recent user reviews (10 of 98)

All indexed reviews: https://appshunter.io/ios/app/rolled-paper-calculator/id390235996/reviews.md

### 1/5 — iOS15じゃ使えない

*2026-07-03, version 8.15*

iOS15の最新版ですが、アップデート出来るが、アプリがクラッシュして使えない

### 5/5 — Boa opção com histórico

*2026-04-21, version 8.13*

Muito boa!

### 5/5 — Calculatrice

*2026-04-07, version 8.13*

Bonjour 

Cette calculatrice est très bien pour moi et facile à employer.
 Cordialement

### 5/5 — Der übersichtliche Rechner

*2026-01-28, version 8.13*

Mit der Papierrolle ist jeder Rechenschritt klar nachverfolgbar. Auch das Gesamtbild der Oberfläche ist klar und verständlich strukturiert.
Für mich der beste App zum rechnen 👍

### 5/5 — Great App

*2025-12-12, version 8.13*

Works perfectly

### 5/5 — Calculadora de papel enrolado

*2025-08-02, version 8.13*

Muito prático, atende bem minha necessidade!
Excelente

### 4/5 — 非常好用，希望能持续更新！

*2025-04-14*

这是手机里曾经唯一使用的计算器，不知道为什么停更了这么多年，希望能继续更新，越来越好！

**Developer response:** 因为开发语言换成了 Swift，所以学习花了一些时间。在 AI 的帮助下终于完成了更新。
目前在小数点计算的显示上还有一些问题，等现在正在开发的照片应用发布之后，会着手处理这个问题。

### 2/5 — Roll paper calculator.

*2024-10-03, version 8.13*

September 2024 update ruins the simplicity. And gives no way to view much of the roll paper. Bad bug for small screen fans. Please fix the fix.

### 5/5 — 好用

*2024-09-25*

便利简单实用

### 5/5 — 一番使いやすい！

*2024-09-07, version 8.00*

ほかの計算機のアプリより断然使いやすいです。計算した履歴が表示されるのと、C/ACワンタップでミスを消し、長押しでリセットできるところも便利です。
今回のアップデートでさらに動作が速くなって満足です(^_^)

## Frequently asked questions about Rolled Paper Calculator

### What is Rolled Paper Calculator?

Rolled Paper Calculator is an innovative and user-friendly calculator app that features a unique scrolling paper display, allowing you to easily review your calculations. It was selected as one of AppBank's Best iPhone Apps of 2010.

### Does Rolled Paper Calculator have ads?

Yes, Rolled Paper Calculator contains advertisements. As it is a free application, ads are displayed to support its development and maintenance.

### What are the different keyboard modes in Rolled Paper Calculator?

Rolled Paper Calculator offers three keyboard modes: Standard for basic functions, Advanced for more complex operations including VAT and scanning, and Note mode for taking and managing calculation results.

### How does the VAT calculation feature work in Rolled Paper Calculator?

In Advanced mode, you can long-press the "dp/VAT" button to set your VAT rate. Then, by switching to +VAT mode using the same button, the app will automatically add the set VAT to your calculations.

### Can I scan numbers from receipts with Rolled Paper Calculator?

Yes, the "SCAN" button in Advanced mode allows you to scan numbers directly from receipts or price lists for automatic input into the calculator, which is particularly useful for large numbers or tax returns.

### How often is Rolled Paper Calculator updated?

Rolled Paper Calculator was last updated on September 28, 2024, with version 8.13. This indicates a commitment to ongoing maintenance and feature improvements.

### What devices is Rolled Paper Calculator compatible with?

Rolled Paper Calculator is available for iPhone, iPad, and iPod. It is rated for ages 4 and up.

### How can I save calculations as notes in Rolled Paper Calculator?

You can save calculation results as notes by long-pressing the "C/AC" button to clear the scroll and choose to save it, or by creating and editing notes directly in the Note mode. Saved notes are organized by date.

## Version history (last 5 releases)

### 8.17 — 2026-07-20

no Ad Subscription is available

### 8.16 — 2026-07-06

Supports iOS 16 and above only

### 8.15 — 2026-07-02

add subscription for removing Ad

### 8.14 — 2026-06-22

- Improved layout stability for Zoomed Display, scanner views, and buttons.  
- Updated Advanced mode guidance and restored list-tap input behavior.  
- Changed the default tax rate to 10% and reduced accidental display-area taps.  
- Updated ads, privacy controls, and consent flow for current requirements.  
- Added a Fasting Manager promo banner when no ad is shown.

### 8.13 — 2024-09-28

add dark and tinted Icon

## More apps by mobazo

- [Rolled Paper Calculator PRO](https://appshunter.io/ios/app/rolled-paper-calculator-pro/id386524102)
- [Rolled Paper Calculator Flat](https://appshunter.io/ios/app/rolled-paper-calculator-flat/id662715855)
- [Calculator for VAT Lite](https://appshunter.io/ios/app/calculator-for-vat-lite/id849778869)
- [Fasting Manager](https://appshunter.io/ios/app/fasting-manager/id6773918808)
- [JP Weather Map](https://appshunter.io/ios/app/jp-weather-map/id6785201086)

All apps by mobazo: https://appshunter.io/developer/386524105

## Related topics

[rolled paper calculator](https://appshunter.io/ios/topics/rolled-paper-calculator) · [rolled paper calculator pro](https://appshunter.io/ios/topics/rolled-paper-calculator-pro) · [rolled paper calculator flat](https://appshunter.io/ios/topics/rolled-paper-calculator-flat) · [rolled](https://appshunter.io/ios/topics/rolled)

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*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 2026-08-31.*