# How to Use IMLOG2 function in Google Sheets in 2020?

IMLOG2 functionThe IMLOG2 function returns the logarithm of a complex number with base 2.

Parts of an IMLOG2 formula

IMLOG2(value)

Part
Description
Notes

value
The input value of the logarithm function.

The number can be written as plain numbers, for example 1, to be interpreted as a real number.
The number can be written as quoted text in order to specify both the real and complex coefficients.

Sample formulas

IMLOG2(“1+i”, 3.5)

IMLOG2(COMPLEX(25, 34), 2.3)

IMLOG2(100, 10)

Notes

IMLOG2 is equivalent to IMLOG given base of 2 for all numbers.

Examples

A
B

1
Formula
Result

2
=IMLOG2(“1+i”)
0.5+1.1330900354568i

3
=IMLOG2(COMPLEX(25, 34))
5.39923590055081+1.35147863744424i

4
=IMLOG2(100)
6.64385618977473

Related functions

IMLOG: The IMLOG function returns the logarithm of a complex number for a specified base.

IMLOG10: The IMLOG10 function returns the logarithm of a complex number with base 10.

COMPLEX: The COMPLEX function creates a complex number, given real and imaginary coefficients.

IMAGINARY: Returns the imaginary coefficient of a complex number.

IMREAL: Returns the real coefficient of a complex number.