Phi (English)
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Definition (keystage 3)
The Greek letter φ (lower case) or Φ (upper case), equivalent in sound to the English f.
Small phi is used to denote the altitude angle in 3-d polar co-ordinates, and for Euler's phi function. Capital phi is used to denote the cyclotomic polynomial, or the inverse cumulative distribution function of the standard normal distribution.
Small phi is used to denote the altitude angle in 3-d polar co-ordinates, and for Euler's phi function. Capital phi is used to denote the cyclotomic polynomial, or the inverse cumulative distribution function of the standard normal distribution.
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