Denote M := {[mu], z : z [member of] C},where C denotes the

**set of complex numbers**.This definition appears very frequently and is found in the following Acronym Finder categories:

- Science, medicine, engineering, etc.

See other **definitions of C**

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- Economy Class (Air Freight)
- Exposure Concentration (environment)
- Federal Reserve Bank of Philadelphia, Pennsylvania (designates original point of circulation of a dollar bill)
- Fresnel Cosine Integral
- Individual (IRB)
- Musical pitch/note
- Nicaraguan Cordoba (national currency)
- Prince Edward Island (Canada Post designation)
- Sea
- See

- Speed of Light
- symbol for the speed of light (in a vacuum, 299,792,458 meters per second)
- Transport (US military aircraft designation for transport aircraft since 1962)
- Undenominated US Stamp (20 cents, introduced 1 Nov 1981)
- Chartered Colourist
- Chevaliers de Colombe (French: Knights of Columbus; Canada)
- Conditioned Diphase (US DoD)
- Counterpart International
- Centre of Attention (UK)
- Certificate of Airworthiness

Denote M := {[mu], z : z [member of] C},where C denotes the **set of complex numbers**.

The experimental group had one week of teaching and learning on a **set of complex numbers** and geometry based on the module of complex numbers and interactive geometry (implemented models of ICT-tools).