Sharp COMPET ELSI-811 Instruction Manual page 37

8. CORRECTING MISTAKES
Ex. 8-1 4+3+222=9
Operation
(mistake)
(correct)
Ans.
q
2
3
4
5
6
PA
8
Note: In the above cases, when 22" is entered by error (step 5), clear mistaken entry (22) by depressing
key for once and enter correct numeral '2'.