T in WPS on Windows FAQ

Last updated:July 23, 2026

This FAQ covers 3 common question groups about the T function, mainly around parameter format, returned results, and nested usage.

FAQ

Is it normal for the T function to return an empty string?

  1. Check whether the input value is text.
  2. If the input is a number, logical value, or other non-text content, an empty string is a normal result.
  3. If needed, review the original field content type and then adjust the formula.

What should I do if the T function returns an error?

  1. Check whether the function name, parentheses, and parameter format are complete.
  2. Confirm that the referenced field or content is available in the current table.
  3. Save the formula again and review the result.

Can the T function be used with other functions?

  1. Enter the T function in the formula field first.
  2. Use the result of T as a parameter or condition in another function.
  3. Save the formula and review whether the combined formula returns the expected result.

Glossary

TermDefinition
T functionA function that checks whether an input value is text and returns the text or an empty string.
Formula fieldA field type in a multi-dimensional table that generates results automatically through a formula.
Empty stringA text result with a length of zero, usually shown as blank in the interface.