How to Type X with Accent (x̌, ẋ, ẍ): Windows, Mac, Word & Mobile Shortcuts

Master X-Accent Keyboard Shortcut Matrix (All Variations)

The letter X with diacritical marks holds crucial significance across statistics (sample mean x¯), classical mechanics & physics (first time derivative velocity ?, second time derivative acceleration ?, unit vector x^), Middle Eastern linguistics (Kurdish Hawrami voiced uvular fricative ?), historical Semitic/Maltese orthography (?), and indigenous North American phonetics (x´, x`, x?). Below is your complete cross-platform reference table:

How to Type X with Accent on Windows (5 Methods)

Windows personal computers offer multiple hardware and software pathways to insert X with accent marks:

Method 1: Windows Alt Codes (Numeric Keypad)

Using the separate 10-key numeric keypad on the right side of your keyboard (ensure Num Lock is active), hold down the Alt key and type the numerical code:

• ẍ (Dot Above): Alt + 7821 | Ẍ (Capital): Alt + 7820
• ẏ (Diaeresis): Alt + 7823 | Ẏ (Capital): Alt + 7822
• x¯ (X-Bar): Type x, then hold Alt and type 0772 (combining macron).
• x´ (Acute): Type x, then hold Alt and type 0769.

Method 2: Microsoft Word Unicode Hex Converter (Alt + X)

In any modern version of Microsoft Word, WordPad, or LibreOffice Writer on Windows:

Method 3: Windows Emoji & Symbol Panel (Win + .)

• Press Win + . (Windows Key + Period) or Win + ;.
• Click the Symbols (Ω) icon at the top → navigate to Latin Symbols → click ?, ?, or x¯.

How to Type X with Accent on Mac (macOS)

Apple macOS provides native press-and-hold menus, Option key dead keys, and ABC Extended shortcuts for X accents:

Method 1: ABC Extended Keyboard Input

If you enable the ABC - Extended layout in macOS System Settings → Keyboard → Input Sources:

• Dot Above (ẋ): Press Option + h, release, then press x → gives ẋ. (Capital Ẋ: Option + h, then Shift + X).
• Diaeresis (ẍ): Press Option + u, release, then press x → gives ẍ.
• X-Bar (x¯): Press Option + a, release, then press x → gives x¯.
• Acute (x´): Press Option + e, release, then press x → gives x´.
• Grave (x`): Press Option + `, release, then press x → gives x`.
• Circumflex (x^): Press Option + i, release, then press x → gives x^.
• Caron (x?): Press Option + v, release, then press x → gives x?.

Method 2: Press-and-Hold Accent Menu (Built-in on macOS)

On a Mac keyboard, press and hold down the letter x (or Shift + x for capital). When the diacritics bubble appears, press the corresponding number or click ?, ?, or x¯.

Method 3: macOS Character Viewer (Ctrl + Cmd + Space)

• Press Ctrl + Cmd + Space to open Character Viewer.
• Search for x dot or x diaeresis, then double-click ? or ?.

How to Type X with Accent in Microsoft Word, PowerPoint & Excel

Microsoft Word Shortcuts

• ẋ (Dot Above): Type 1E8B then press Alt + X. For capital Ẋ: type 1E8A + Alt + X.
• ẍ (Diaeresis): Type 1E8D then press Alt + X. For capital Ẍ: type 1E8C + Alt + X.
• x¯ (X-Bar): In Word Equation Editor (Alt + =), type \bar x and press space twice.

Microsoft Excel Formulas

In Excel spreadsheets and formulas, dynamically output X-accent characters using UNICHAR:

• =UNICHAR(7821) outputs ẍ | =UNICHAR(7820) outputs Ẍ
• =UNICHAR(7823) outputs ẏ | =UNICHAR(7822) outputs Ẏ
• =UNICHAR(120)&UNICHAR(772) outputs x¯

How to Type X with Accent on iPhone, iPad & Android

iOS (Apple iPhone and iPad)

• Press and hold down the letter x on the virtual touchscreen keyboard.
• A popup bubble displaying ?, ?, x¯, and x´ will appear. Slide your finger across and lift to insert.

Android (Google Gboard & Samsung Keyboard)

• On Gboard and Samsung keyboards, press and hold down the x key.
• Slide your thumb across the popup row to select ?, ?, x¯, or x´.

Scientific, Mathematical & Linguistic Significance of X-Accent Marks

Diacritically modified forms of X play essential roles across quantitative statistics, Newtonian mechanics, Semitic philology, and Middle Eastern languages:

Statistics: X-Bar (x¯ / X¯) as the Sample Mean

In statistics and empirical research:

• Sample Mean Definition: The character x¯ (pronounced x-bar) represents the arithmetic average of a dataset sample: x¯ = (x1 + x2 + ... + x?) / n.
• Sample vs Population: In inferential statistics, x¯ (the sample statistic) estimates µ (mu, the population parameter).

Physics & Calculus: X-Dot (ẋ) & X-Double-Dot (ẍ)

In classical mechanics, vibration analysis, and aeronautical dynamics:

• Velocity (?): Newton's fluxion dot notation represents the first derivative of position with respect to time: ? = dx/dt (linear velocity).
• Acceleration (?): Two dots over x denote the second derivative of position with respect to time: ? = d²x/dt² (linear acceleration). In Newton's second law: F = m?.

Kurdish (Hawrami / Gorani): Voiced Uvular Fricative (Ẍ / ẍ)

• Phonemic Distinction: In Hawrami Kurdish Latin script and Chechen linguistic transliterations, ? represents the voiced uvular fricative /?/, strictly contrasting with voiceless x (/?/).

Amerindian & Tonal Linguistics (x´, x`, x?)

• Lexical Pitch Tones: In Pacific Northwest indigenous languages (such as Tlingit, Haida, and Salishan languages), diacritics over x mark lexical tone contours on uvular spirants.

Developer & Technical Reference (Unicode, HTML, CSS & LaTeX)

For software developers, web designers, database architects, and LaTeX typesetters, below is the complete technical character specification for all X-accent variations:

Frequently Asked Questions About Typing X with Accents

A to Z Accent Letters Hub & Related Diacritics Guides

Need to type other accented letters, umlauts, tildes, cedillas, or special characters? Explore our dedicated accent directories and interactive typing tools below: