Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

CalcQX ~ the calculator Screenshots

iPad

iPhone

About CalcQX ~ the calculator

Using CalcQX, no longer double checking the answer by doing the calculation again!
Standard Mode: Works like the way billions of real standard calculators in the world do.
Engineering Mode: Capable of doing complex scientific calculation, but remains easy-to-use as a standard calculator.

Large buttons and easy-to-use. CalcQX gives you seamless calculation experience like a real calculator you used in daily life.

CalcQX is a general purpose calculator designed to meet daily calculation requirement with easy-to-use, fully reversible, convenient memory slots, and beautifull, info-rich screen.

CalcQX features:
* iPad/iPhone/iPod Retina display ready for vivid and elegant image
* Up to 50 memory slots for historical calculations/expressions
* Swipe-right to undo, swipe-left to redo at any step during calculation
* Jump into any step of calculation to modify operator or operand
* Info-rich display
* Scientific function support.
* Percent button will behave like real calculator
* 4 additional memory slots (M1 ~ M4) for calculation (Tap-and-hold or M+/M- to memory the number currently shown on the screen and tap again to recall)
* Reusable expressions/results
* Clipboard/email support.
* More great features, but even easier to use than build-in calculator. You will love it!

Follow us on Facebook:
http://www.facebook.com/pages/CalcQX/171355629551053

What's New in the Latest Version 2.3

Last updated on Jun 27, 2023

Old Versions

1. compatibility update

Version History

2.3

Jun 27, 2023

1. compatibility update

2.2

May 27, 2020

Release to comply with new App Requirements and Guidelines.

2.1

Aug 8, 2017

1. fix iOS compatibility issue

2.0

Sep 21, 2012

1. add 4-inch Retina display support
2. bug fix

1.9

Sep 1, 2012

1. add help
2. bug fix

1.8

Jun 1, 2012

Click sound can now be turned on/off correctly.

1.7

Mar 29, 2012

1. support Retina display on the New iPad
2. screen now shows the current memory slot connecting to 'MR', 'M+', 'M-', and 'MC' functions.
3. user can change the memory slot by touching the memory slots shown on the display.

1.6

Feb 4, 2012

1. Enhance compatibility on iOS 3.x

v1.5

Feb 16, 2011

1. 'M+', 'M-', 'MC' can now be used for 'M1' ~ 'M4' memory slots
2. Bug fix

1.4

Jan 28, 2011

1. Add engineering mode
2. Change layout
3. Add expression storage at top of historical table instead of bottom

1.3

Jan 11, 2011

1. Add button click sound effect (can be turned off)
2. Bug fix

1.2

Dec 21, 2010

1. Add 'Clear' button instead of 'Edit' button to clear all stored expressions at once (To delete a single expression, simply tap-right or tap-left on a expression and a delete button will show up)
2. Revise iPad layout
3. Bug fix

1.1

Dec 18, 2010

1. Add iPad support
2. Add 'mAC' button to clear 4 memory slots at once
3. Percent button will behave like the real calculator

1.0

Dec 10, 2010

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