ATAN in WPS on Windows FAQ

Last updated:July 17, 2026

Common ATAN questions usually involve formula entry, syntax prompts, and result checking; this FAQ includes 3 common questions and a short glossary.

FAQ

What should I do if the ATAN function shows an error?

  1. Check whether the formula starts with =.
  2. Confirm that the function name is spelled ATAN.
  3. Make sure the parentheses are paired correctly and the separators are valid.
  4. Confirm that the argument is a valid number or cell reference.

How can I view help for the ATAN function?

  1. Type =ATAN( in a cell.
  2. Review the syntax prompt that appears.
  3. Use the prompt to confirm the argument format.
  4. Finish the formula and adjust it if needed.

Why does the ATAN result look incorrect?

  1. Check whether the referenced cell contains a number stored as text.
  2. Confirm that there is no circular reference or incorrect reference.
  3. Check whether you need another function for unit conversion.
  4. Change the data and review whether the result updates again.

Glossary

TermDefinition
ATANAn inverse tangent function that returns the arctangent of a number.
Syntax promptThe on-screen hint that shows argument and format guidance while you type a function.
Nested calculationA formula structure that combines multiple functions in one expression.