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← The library

Engineering function

IMEXP

Returns the exponential of a complex number.

Rarely usedDifficulty 1500 · AdvancedUsage rank #494 of 520
Practice · 2 questions →

When to use it

e raised to a complex power.

The shape of it

Syntax
=IMEXP(inumber)

Worked examples

  • Typical

    =IMEXP("1+i") 1.46869393991589+2.28735528717884i

    A typical result.

  • Zero

    =IMEXP("0") 1

    e to the zero.

  • Euler's formula

    =IMEXP("i") 0.54030230586814+0.841470984807897i

    Euler: cos(1) + i sin(1).

Worth knowing

  • IMEXP(COMPLEX(0,PI())) is -1, Euler's identity, to floating-point precision.
  • IMLN is the inverse.
  • Result is text.

Where it goes wrong

  • #VALUE! for invalid text.
  • Large real parts overflow.

Related

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