ℂ

See also: Appendix:Variations of "c"

ℂ U+2102, ℂ DOUBLE-STRUCK CAPITAL C ← ℁ [U+2101] Letterlike Symbols ℃ → [U+2103]

𝐂 U+1D402, 𝐂 MATHEMATICAL BOLD CAPITAL C ← 𝐁 [U+1D401] Mathematical Alphanumeric Symbols 𝐃 → [U+1D403]

Translingual

Alternative forms

• 𝐂

Etymology

From 𝐂. The usage of blackboard bold dates to the 1960s.

Symbol

ℂ

1. (mathematics) Alternative form of 𝐂, the set of complex numbers.
2. (mathematics) The set of complex numbers equipped with any of its standard structure.