---
title: "PrefixCalc - Reviews, Revenue and Downloads in Taiwan | Apple App Store"
description: "This calculator supports Metric‑prefix such as kilo and giga. The calculator supports quetta (10^30) and quecto (10^-30), which were added in 2022.  Main Functions ・Support for arithmetic operations ("
---

# PrefixCalc — Taiwan

![PrefixCalc App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/06/d3/19/06d319e4-a35f-16a8-9200-3ab561f62e04/AppIcon-0-0-1x_U007emarketing-0-8-0-0-85-220.png/434x0w.png)

**Developer:** [YONAGARE LAB](https://apptail.io/developer/yonagare-lab-hPZfg)
**Category:** Utilities
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** com.yonagare.prefixcalc
**Store:** Apple App Store
**Country:** Taiwan
**Version:** 1.0 (released 2025-09-16)
**Original Release:** 2025-09-16
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/tw/app/app/id6748650037)
**AppTail Page:** [https://apptail.io/app/prefixcalc-vqAx/taiwan](https://apptail.io/app/prefixcalc-vqAx/taiwan)

## PrefixCalc Description
This calculator supports Metric‑prefix such as kilo and giga.
The calculator supports quetta (10^30) and quecto (10^-30), which were added in 2022.

Main Functions
・Support for arithmetic operations (+ - ×÷)
・Results converted to Japanese numerals for display
・Delete one character at a time with the "DEL" button
　Press and hold to delete all
・Press and hold to copy calculation formulas and results
　English (Short scale, Long scale) and
　Chinese numerals can also be selected.
・Calculations that include prefixes such as 2M+1k, 2M×1μ, etc.

Note:
・Very large numbers that exceed 200 digits may be rounded off for display and calculation purposes.  
　Please note this when precision is required.
・Short scale and Long scale are currently supported up to 10^198.
・Kanji notation is supported up to 10^72.
　If it is greater than the number, it will be displayed in Arabic numerals.

## PrefixCalc Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/55/22/32/5522326d-cdf9-b3f3-9c75-de6febbb85b9/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2025-09-13_at_20.31.14.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/1f/a1/cd/1fa1cdca-a605-3a6f-c38f-d480d2ee7ba2/Simulator_Screenshot_-_iPhone_11_Pro_Max_-_2025-09-13_at_20.31.32.png/1242x2688.png)






## Apps Similar to PrefixCalc
- [Amazing Calculator](https://apptail.io/app/amazing-calculator-vVwd/taiwan)
- [電卓カスタム：自分だけのこだわりの電卓](https://apptail.io/app/app-jtnf/taiwan)
- [Lucky item & color - LuckyCalc](https://apptail.io/app/lucky-item-color-luckycalc-mHHf/taiwan)
- [Calculator (Recall Musical)](https://apptail.io/app/calculator-recall-musical-ZINf/taiwan)
- [bwCalc（シンプルにデザインされた計算機、税込みも表示）](https://apptail.io/app/bwcalc-fOOf/taiwan)
- [デジタル和時計](https://apptail.io/app/app-RKXj/taiwan)
- [Calculation - Basic Calculator](https://apptail.io/app/calculation-basic-calculator-Fxjo/taiwan)
- [Dentaku: Musical Calculator](https://apptail.io/app/dentaku-musical-calculator-xGhp/taiwan)
- [きせかえでんたく](https://apptail.io/app/app-xHKu/taiwan)
- [Scientific Calculator & Units](https://apptail.io/app/scientific-calculator-units-IQov/taiwan)


---

## About AppTail

[AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends.

- [Search Apps](https://apptail.io)
- [Top Charts](https://apptail.io/top-iphone-apps)
- [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer)

*Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*