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19990401
u To delete a step
○○○○○
Example To change 369 × × 2 to 369 × 2
Adgj**c
ddD
u To insert a step
○○○○○
Example To change 2.36
2
to sin2.36
2
Ac.dgx
ddddd
s
u To change the last step you input
○○○○○
Example To change 396 × 3 to 396 × 2
Adgj*d
D
c
1-3-2
Inputting and Editing Calculations
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