E : Symbol

  • E is the fifth letter of the English Alphabet.
  • E (Exponent). e.g. 1E6 (stands for a million) and 1E-6 (stands for a millionth).
  • e is a Mathematical Constant named in honor of Euler. It has a value of 2.71828…
  • e^x (is the Euler Constant raised to the power x).
  • Differentiating e^x returns e^x.
  • Integrating e^x returns e^x.
  • The invariant property of e^x is essential to the Transforms and Transformations (used for the Analysis and Synthesis in Engineering problems).
  • E (Engineering). e.g. ChE (Chemical Engineering).
  • We use EE, EC and EP for Electrical Engineering, Electrical Communications and Electrical Power.
  • IEEE (Institute of Electrical and Electronic Engineers)
  • IEEE-CS (Computer Society of IEEE)
  • E (Executive), e.g. EC (Executive Committee), CEO (Chief Executive Officer)
  • E (Estimate), e.g. ETA (Estimated Time of Arrival)
  • IIE (Institute of International Education)

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