Mathematical Bold Fraktur Small D 𝖉

Visual Description: This character is a small d rendered in a bold Fraktur style. It features thick, angular strokes with decorative flourishes and tight spacing. The look is formal and distinctive, contrasting with ordinary Latin d. In math text, it signals a special variable or operator distinct from standard d.

Meaning & Usage: The bold Fraktur d is not a new symbol but a typographic variant used to differentiate certain objects in formulas. It often marks a particular differential, a basis element, or a parameter that needs visual separation from other letters. Writers use it to reduce ambiguity in complex equations.

Historical Background: Fraktur is a traditional script with a bold, gothic influence. In mathematical typography, the bold Fraktur d emerged as part of a broader effort to encode distinct symbols without creating new glyphs. Its use is mostly stylistic, helping readers quickly identify special variables in dense formulas.

Practical Use: In teaching and software, you can switch to this style to highlight a variable’s role. Use it in educational calculators, equation editors, or quick UI controls that toggle formats for operations or comparisons. The bold Fraktur d remains legible while signaling a unique mathematical meaning.

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Look‑alikes: d (U+64).

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