X123 Scientific Calculator

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About this app

Discover X123, your free and easy-to-use calculator, perfectly suited for your everyday calculations. Configure your calculator according to your preferences, and benefit from useful features designed to boost your efficiency such as the memory function, duration calculations or landscape mode.

BASIC CALCULATIONS
Find in your calculator all the basic functions of addition, subtraction, multiplication and division, for a calculator adapted to your daily calculations.

SCIENTIFIC CALCULATOR
Easily carry out your arithmetic, trigonometric, logarithmic and exponential calculation operations.

MEMORY FUNCTION
Simplify your complex or recurring calculations by storing your calculation results in the calculator to reuse them whenever you want.

HOUR AND MINUTE CALCULATOR
Easily carry out your duration calculations and use the NOW key integrated into the calculator to enter the current time into the calculation.

FREE CALCULATOR
The X123 calculator is a free calculator from which you can benefit from unlimited calculation options.

LANDSCAPE CALCULATOR
Easily switch the calculator to horizontal mode for better calculation comfort.

DARK MODE
Easily switch your calculator from light mode to dark mode according to your preferences and your conditions of use of the calculator.

DUAL KEYBOARDS CALCULATOR
In landscape mode, choose two keyboards to display side by side on your calculator from the 4 available to you: 123 (basic calculations), Mem (saved calculation results), Fx (mathematical functions) and Time (calculations of hours and minutes).

ADVANCED CUSTOMIZATION
Configure your calculator according to your uses and recurring needs for fast and accurate calculations. Personalize your interface: reorganize the calculator keyboard with drag and drop, rename the custom keys, define your roundings, choose the language and writing standard that suits you.

This free calculator will become your ally for all your professional or everyday calculations.