# Percent Ratio Tax Multi Calc

> Percent Ratio Tax Multi Calc (iPhone/iPad app by YUKIO ONOZUKA.)

- Source: https://appshunter.io/ios/app/percent-ratio-tax-multi-calc/id876684689 (this page in markdown: same URL + `.md`)
- Developer: [YUKIO ONOZUKA](https://appshunter.io/developer/876684692)
- Category: Utilities, Business
- Price: Free
- Age rating: 4+
- Requires: iOS 6.0 · 8 MB
- Languages: Japanese
- Released: 2014-05-31
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/percent-ratio-tax-multi-calc/id876684689/reviews.md

## What is Percent Ratio Tax Multi Calc?

Key features include:
Multiple display of calculate history.
The calculation results can be modified in the tap.
You can copy, tap the text box in the input.
if you long tap the rate change button, to display the setting screen,
Rate change, rounding (rounded down, rounded up, rounded off) can be selected.

※ can not be the calculation of the four arithmetic operations, and the like.
It is a simple app that specializes in rate conversion.

Recommended for:
At shopping, and 8% becomes 10% How much?
Including tax 380 or no tax 350, Which is cheaper?
no tax 1,000, tax 8% or 10%, How much?
if consumption tax increases in the retail store.
price display, price change, convenient to the price tag change work.
Excel to launch every time and eliminates the need to input the formula.
Tax invoices and receipts, tax, in the calculation of the new tax rate.
The business work efficiency.
How much? 30% OFF Sale.
To scale 23 to 65, what percentage?

If there is a bug, please report to here.
bluetoneinfo@gmail.com

We will continue to add from the demand often feature in the comments. If you have any requests, please comment.


## Version history (last 3 releases)

### 1.2.4 — 2016-04-05

This app has been updated by Apple to display the Apple Watch app icon.

ｖ1.2.4
can change the rate.
can change the rounding method.

### 1.1.3 — 2014-06-06

No release notes.

### 1.1.2 — 2014-05-31

No release notes.

## More apps by YUKIO ONOZUKA

- [SpaceTheremin](https://appshunter.io/ios/app/spacetheremin/id884417701)

All apps by YUKIO ONOZUKA: https://appshunter.io/developer/876684692

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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 2026-06-10.*