Returns the square root of a complex number.
Syntax:
IMSQRT(complexnumber)
complexnumber is text representing a complex number, for example as a+bi or a+bj.
IMSQRT returns the square root of complexnumber as text. That is, if complexnumber is , it returns , such that .
Example:
IMSQRT("16+30i")
returns 5+3i as text.