Mathematical Bold Italic Capital Phi Symbol
π± is the Mathematical Bold Italic Capital Phi character (U+1D731) used for styled Greek letter notation.
U+1D731
π± is a styled Greek capital phi used in mathematical and technical typography. Itβs commonly needed when you want a specific βbold italicβ look rather than the plain Greek letter.
Mathematical Bold Italic Capital Phi Symbol Meaning
π± (Unicode U+1D731) is the βMATHEMATICAL BOLD ITALIC CAPITAL PHI.β It represents a Greek capital Phi in a specific typographic style, useful when your notation must match a particular font weight and slant. Compared to plain Ξ¦, this version is designed for mathematical typesetting workflows where consistent glyph styling matters. In practice, it often appears in equations, variable naming in technical writing, and custom symbol sets where the visual form of the letter (bold + italic) is significant.
Common uses
- β’Mathematical notation where a bold-italic capital phi is required
- β’Labeling variables or parameters in scientific/engineering documents
- β’Designing equations and typographic compositions in editors that support Unicode math
- β’Building custom symbol sets for reports, slides, or posters with consistent styling
- β’Programming UI labels or templates that need a specific styled glyph
Examples
π± Mathematic Bold Italic Capital Phi
- π±Let π± be the phase factor in the model.
- π±The matrix has eigenvalues labeled by π±.
- π±We denote the transformation parameter as π±.
- π±In the derivation, π± changes sign under the substitution.
- π±Use π± to represent the bold-italic capital phi in this style.
Variations
Ready to copy
Technical codes
| Unicode | U+1D731 | |
| HTML Entity | 𝜱 | |
| HTML Code | 𝜱 | |
| CSS | \1D731 | |
| Decimal | 120625 |
How to type Mathematical Bold Italic Capital Phi Symbol (π±)
On Windows
In Word, type 1D731 then press Alt + X. Or open the emoji picker with Windows key + period.
On Mac
Press Control + Command + Space to open Character Viewer and search for the character.
On Linux
Press Control + Shift + U, type 1d731, then press Enter or Space.
Anywhere
Copy π± with the button above and paste it wherever you need it β this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the Mathematical Bold Italic Capital Phi symbol mean?
π± (Unicode U+1D731) is the βMATHEMATICAL BOLD ITALIC CAPITAL PHI.β It represents a Greek capital Phi in a specific typographic style, useful when your notation must match a particular font weight and slant. Compared to plain Ξ¦, this version is designed for mathematical typesetting workflows where consistent glyph styling matters. In practice, it often appears in equations, variable naming in technical writing, and custom symbol sets where the visual form of the letter (bold + italic) is significant.
What is the Unicode code point for π±?
π± is U+1D731.
How can I paste π± in HTML?
Use the HTML entity: 𝜱.
How do I write π± in CSS?
Use the CSS escape: \\1D731.
How do I include π± in JavaScript strings?
Use: \\u{1D731}.