Documentation/How Tos/Calc: T function
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T
Returns the given text, or an empty text string if the target is not text.
Syntax:
T(value)
- if value is text, it is returned.
 
- if value is a number or a logical value, an empty text string "" is returned.
 
Example:
T("red car")
- returns red car.
 
T(123.4)
- returns an empty text string.
 
ISTEXT(T(123.4))
- returns TRUE.
 
T(NA())
- returns the #N/A error. Errors are propagated.