# Smart Slide Rule — Digital Slide Rule Simulator!

> Digital slide rule simulator with logarithmic scales and usage instructions. (iPhone/iPad app by Sohta Itoh.)

- Source: https://appshunter.io/ios/app/smart-slide-rule/id975047971 (this page in markdown: same URL + `.md`)
- Developer: [Sohta Itoh](https://appshunter.io/developer/965803614)
- Category: Lifestyle, Education
- Price: $0.99
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 4 MB
- Languages: American English, Arabic, French (France), German (Germany), Hindi, Italian, Japanese, Korean, European Portuguese, Russian and 5 more
- Released: 2021-09-07
- Data updated: 2026-08-25
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/smart-slide-rule/id975047971/reviews.md

## What is Smart Slide Rule?

* An app simulating a slide rule! *

Smart Slide Rule reproduces a slide rule (slipstick) with A, B, C, CI, D, S, L, T, and K scales. 
A slide rule is a mechanical analog calculating tool that uses the principle of logarithms. 
The slide rule appears as an important prop in the movies "Apollo 13" and "The Wind Rises". 
This application reproduces a slide rule on the screen of your device. 
The front side of the slide strip corresponds to the B, C, and CI scales, and the back side corresponds to the S, L, and T scales. 
You can move the slide strip and the cursor.

* With instructions on how to use the slide rule! *

The slide rule uses a logarithmic scale to calculate multiplication, division, exponentiation, square root, and trigonometric and logarithmic functions. 
This application features an explanation of how to use the slide rule, so you can learn how to calculate.
Since the calculation is performed in pixels of the device screen, the accuracy of the calculation cannot be guaranteed.

## Key features

- Simulates a slide rule
- Includes A, B, C, CI, D, S, L, T, and K scales
- Moveable slide strip and cursor
- Instructions on slide rule usage
- Calculates multiplication, division, and functions

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/smart-slide-rule/id975047971/reviews.md

### 5/5 — 使い方も分かりやすい

*2023-04-09*

各メモリの値を表示する機能もありがたいです。

## Frequently asked questions about Smart Slide Rule

### What scales does Smart Slide Rule include?

Smart Slide Rule includes A, B, C, CI, D, S, L, T, and K scales, replicating the functionality of a traditional slide rule.

### Can I learn how to use a slide rule with Smart Slide Rule?

Yes, the application features an explanation of how to use the slide rule, guiding users through calculations with its logarithmic scales.

### What types of calculations can Smart Slide Rule perform?

It can perform calculations involving multiplication, division, exponentiation, square roots, and trigonometric and logarithmic functions using its logarithmic scales.

### Is Smart Slide Rule available on Android devices?

Currently, Smart Slide Rule is supported on iPhone, iPad, and iPod devices. Information regarding Android compatibility is not provided.

### What is the accuracy of calculations in Smart Slide Rule?

The accuracy of calculations cannot be guaranteed as the calculations are performed based on the pixel resolution of the device screen.

### How much does Smart Slide Rule cost?

Smart Slide Rule is a paid application, priced at $0.99. There are no in-app purchases or subscription fees mentioned.

### When was Smart Slide Rule last updated?

The latest version of Smart Slide Rule was updated on November 13, 2022. It was initially released on September 7, 2021.

### Does Smart Slide Rule have ads?

No, Smart Slide Rule does not contain advertisements. It is a paid application that provides an ad-free experience.

## Version history (last 4 releases)

### 2.1.1 — 2022-11-13

Minor corrections and improvements

### 2.1.0 — 2022-09-23

Minor corrections and improvements

### 2.0.1 — 2021-09-12

Several bug fixes and usability improvements

### 2.0.0 — 2021-09-08

No release notes.

## More apps by Sohta Itoh

- [3 Letter Quiz](https://appshunter.io/ios/app/3-letter-quiz/id965849712)
- [語呂作](https://appshunter.io/ios/app/id975038233)
- [47 Prefecture Shapes](https://appshunter.io/ios/app/47-prefecture-shapes/id983270781)
- [旅のお財布](https://appshunter.io/ios/app/id983276551)
- [プレゼン特訓](https://appshunter.io/ios/app/id1037281101)

All apps by Sohta Itoh: https://appshunter.io/developer/965803614

## Related topics

[smart slide rule](https://appshunter.io/ios/topics/smart-slide-rule) · [slide rule](https://appshunter.io/ios/topics/slide-rule) · [digital slide rule](https://appshunter.io/ios/topics/digital-slide-rule) · [pocket slide rule expert](https://appshunter.io/ios/topics/pocket-slide-rule-expert)

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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 2026-08-25.*