Manuals/calci/ISCOMPLEX

ISCOMPLEX (Thing)

• $Thing$ is any number.

Description

• $ISCOMPLEX$ function checks if the given number is Complex or not.
• This function is one of the group in $ISFUNCTIONS$.
• The $ISFUNCTION$ is also known as data information functions, data inspection functions or data-testing functions.
• This function is gives the result as TRUE when the given number is a Complex number otherwise this function will return the result as FALSE.
• A complex number is a combination of a real and an imaginary number.
• A number which is positive or negative, rational or irrational or decimals are called real numbers.
• An Imaginary number is a number that when squaring it gives a negative result.
• For e.g. ${-4}^{2}=16$. Because a negative times a negative is positive.
• A complex number is a number is in the form $z=a+bi$, where $a$ and $b$ are real numbers and $i$ is the imaginary unit. Where $i={\sqrt {-1}}$

Examples

1. ISCOMPLEX(1+ⅈ3) = true
2. ISCOMPLEX(7) = false
3. ISCOMPLEX("9-i7") = false

See Also

• ISLOGICAL
• ISODD
• ISEVEN

References

Is functions

• List of Main Z Functions

• Z3 home