# 3X Calculator — 3-Line Calculator Made Easy

> 3-Line Calculator Made Easy (iPhone/iPad app by kuo ching liew.)

- Source: https://appshunter.io/ios/app/3x-calculator/id1618526178 (this page in markdown: same URL + `.md`)
- Developer: [kuo ching liew](https://appshunter.io/developer/949386569)
- Category: Utilities, Finance
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 25 MB
- Languages: American English
- Released: 2022-04-09
- Data updated: 2026-08-23
- User reviews in markdown: https://appshunter.io/ios/app/3x-calculator/id1618526178/reviews.md

## What is 3X Calculator?

3X Calculator is the first-ever 3-line calculator app that helps you to do calculations easily with easy amendment/modification to the equation. It is the standard calculator replacement and with 2  additional lines for easy calculation and wider display on a screen.
Unit conversion for square feet to square meters, acres to square feet, acreage, rood, pole, kilometers per liter for fuel consumption is included


## Version history (last 5 releases)

### 10.3.0 — 2026-08-20

What’s New
We’ve refreshed 3× Calculator with a cleaner and more polished experience.
Added light and dark themes
Redesigned expression editing and adjustment controls
Added an option to restore the original expression
Improved conversion controls and expression swapping
Enhanced result alignment and number readability
Refined saved calculations and navigation
Faster numeric keypad input
Undo and redo controls
Optional keypad vibration in the side menu
Clearer messages for invalid expressions and division by zero
Long-press any result or total to copy it

### 9.4.1 — 2023-11-21

Tweaked ShowMessage Frequency

### 9.3.8 — 2023-11-17

Tweaked equation and history

### 9.2.1 — 2023-11-15

Added Note/Formula Saving Function

### 8.1.4 — 2023-10-30

Tweaked cursor movement and decimal

## More apps by kuo ching liew

- [PropertyX MVS Valuation Fee](https://appshunter.io/ios/app/propertyx-mvs-valuation-fee/id950276513)
- [PropertyX Malaysia Home Loan](https://appshunter.io/ios/app/propertyx-malaysia-home-loan/id953777512)
- [Commission Calculator for SGX DBS Vickers Advisory](https://appshunter.io/ios/app/commission-calculator-for-sgx-dbs-vickers-advisory/id1033025386)
- [PropertyX Malaysia TextSearch](https://appshunter.io/ios/app/propertyx-malaysia-textsearch/id1520567128)
- [Valuation Fee Calculator Pro](https://appshunter.io/ios/app/valuation-fee-calculator-pro/id1587286657)
- [PropertyX Malaysia](https://appshunter.io/ios/app/propertyx-malaysia/id1598093747)

All apps by kuo ching liew: https://appshunter.io/developer/949386569

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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 2026-08-23.*