# Manuals/calci/IMLOG2

IMLOG2(Complexnumber)

• is of the form

## Description

• This function gives the binary logarithm of a complex number.
• , where Complexnumber is in the form of . i.e. & are the real numbers.
• And is the imaginary unit ..
• Binary logarithm is the inverse function of the Power of two functions.
• Log base 2 is called Binary logarithm.
• To find the Binary logarithm of a complex number we have to calculate from the natural logarithm.
• So .
• We can use COMPLEX function to convert real and imaginary number in to a complex number.

## ZOS

• The syntax is to calculate Binary logarithm of a complex number is .
• is of the form .
• For e.g imlog2("2.1-3.5i")
ImLog2

## Examples

1. =IMLOG2("2+3i") = 1.85021985921295+1.41787163085485i
2. =IMLOG2("5-6i") = 2.96536866900967-1.26388460522614i
3. =IMLOG2("15") = 3.90689059590921
4. =IMLOG2("11i") = 3.45943161890355+2.26618007108801i
5. =IMLOG2("0") = NULL

## Related Videos

Log of Complex Number