Help > Authoring > Equations > Editing Equations > Undoing Edits
  
Undoing Edits
1. With the cursor in the Equation Editor window, press the RIGHT mouse button to bring up the Equation Editor shortcut menu.
2. Choose Undo from the Equation Editor shortcut menu.
3. To undo the edit previous to the last edit, press Undo again.
4. Press Redo to reverse the undo.
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If you used the marker to select more than one row of equations to delete at one time, Undo may not be able to retrieve all of your deleted equations.