Manuals/calci/ISNA

ISNA (Thing)

• Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle Thing} is any value to test.
  • ISNA(),returns TRUE if the value is the #NA error value.

Description

• This function is the tester function of error values.
• In Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle ISNA()} ,the parameter is any value which we want to test.
• If the given parameter is #N/A error value then this function will return the result as TRUE.
• If the given parameter is not a error value then this function will return as FALSE.

Examples

1. ISNA("good day") = false
2. ISNA(#) = true
3. ISNA("65") = false

Related Videos

Is Error

See Also

• ISMONTH
• ISBLANK
• ISEMPTY

References

• Is Functions

• List of Main Z Functions

• Z3 home