How to Use

Last updated:July 8, 2026

Use CHIINV with 3 how-to topics, including inserting it from the Insert Function dialog box, typing the formula directly in a cell, and reviewing syntax and argument details; choose a topic from the How-to Index and follow the entry point and steps.

How-to Index

How-to Guide

1. Insert CHIINV from the Insert Function dialog box

Entry point: Formulas tab → Insert Function, or the fx button in the formula bar

  1. Select the cell where you want to enter the formula.
  2. Click the fx button in the formula bar, or click Insert Function on the Formulas tab.
  3. Search for CHIINV in the Insert Function dialog box.
  4. Select the function and click OK.
  5. Enter each argument in the Function Arguments dialog box.
  6. Click OK to finish entering the function.

Success Criteria

  • UI state: The target cell now contains a CHIINV formula.
  • Next actions: You can continue editing arguments, copy the formula, or confirm the result.

Tips While Using

  • Search with the uppercase function name CHIINV so it is easier to find.
  • Enter each argument in the expected format to avoid treating text or spaces as numeric input.

2. Type the formula directly in a cell

Entry point: The target cell or the formula bar

  1. Select the cell where you want to enter the formula.
  2. Type =CHIINV(...) directly in the cell or in the formula bar.
  3. Press Enter to confirm.
  4. If you want to review the argument prompt, type =CHIINV( and then press F1 to check the syntax hint.

Success Criteria

  • UI state: The cell shows the calculation result, and the formula bar keeps the full formula.
  • Next actions: You can fill down, copy the formula to other cells, or continue editing the arguments.

Tips While Using

  • Use English commas as argument separators to avoid formula errors caused by localized punctuation.
  • When you copy the formula to other cells, check whether relative and absolute references match your worksheet needs.

3. Review function syntax and argument details

Entry point: Formulas tab → Insert Function

  1. Click Insert Function on the Formulas tab.
  2. Enter CHIINV in the search box.
  3. Select the function and review the syntax CHIINV(...).
  4. Click the help link for the function to open more details.

Success Criteria

  • UI state: You can see the function name, syntax structure, and argument input area.
  • Next actions: You can return to the worksheet to enter the formula or adjust arguments based on the help details.

Tips While Using

  • Reviewing the syntax before entry can reduce mistakes in argument order.
  • If the help page does not open, check whether your network connection is working properly.