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Engineering function

IMLOG2

Returns the base-2 logarithm of a complex number.

Rarely usedDifficulty 1500 · AdvancedUsage rank #497 of 520
Practice · 2 questions →

When to use it

The base-2 logarithm of a complex number.

The shape of it

Syntax
=IMLOG2(inumber)

Worked examples

  • Typical

    =IMLOG2("3+4i") → 2.32192809488736+1.33780421245098i

    IMLN divided by LN(2).

  • Eight

    =IMLOG2("8") → 3

    Real eight.

  • Pure imaginary

    =IMLOG2("i") → 2.2661800709136i

    Pi over two, over LN(2).

Worth knowing

  • Same as IMLN(z)/LN(2).
  • Result is text.
  • Rare outside signal processing.

Where it goes wrong

  • #NUM! for "0".
  • #VALUE! for invalid text.

Related

CONVERTBIN2DECDEC2BINHEX2DECDEC2HEXDELTA

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