9k Making Corrections During Input• Use e and r to move the cursor to the location youwant.• Press [ to delete the number or function at the currentcursor position.• Press A K to change to an insert cursor t. Inputtingsomething while the insert cursor is on the display in-serts the input at the insert cursor position.• Pressing A K, or = returns to the normal cursor fromthe insert cursor.k Replay Function• Every time you perform a calculation, the replay functionstores the calculation formula and its result in replaymemory. Pressing the [ key displays the formula andresult of the calculation you last performed. Pressing [again back steps sequentially (new-to-old) through pastcalculations.• Pressing the e or r key while a replay memory cal-culation is on the display changes to the editing screen.• Pressing the e or r key immediately after you finisha calculation displays the editing screen for that calcula-tion.• Pressing t does not clear replay memory, so you canrecall the last calculation even after you press t.• Replay memory capacity is 128 bytes for storage of bothexpressions and results.• Replay memory is cleared by any of the following ac-tions.When you press the 5 keyWhen you initialize modes and settings by pressing AB 2 (or 3) =.When you change from one calculation mode to anotherWhen you turn off the calculator.k Error Locator• Pressing r or e after an error occurs displays thecalculation with the cursor positioned at the locationwhere the error occurred.