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5
Mastering the Calculator using the Casio fx-82MS
1.2 Sometimes you make an error when typing in a number
If this happens use the
key to cancel the number and then type in the correct number
and continue.
Example
If you want to enter 3 + 4 but accidentally type
press
to cancel the 5.
Now type
Example
If I want to add 471 and 575 but I typed
I can cancel 6 by typing
and then typing
The display should read 1 046.
'Try practising cancelling with the
key until you are comfortable with its use.'
1.3 The
keys are used when you to delete other data
Example
If you typed:
471 + 546
but you wanted 471 + 576
press the
key twice. The 4 flashes. Press
. The 7 now replaces the 4.
Press
.
The display should read 1 047.
Practice using this key when replacing digits, operation keys (+ – × ÷), or more than one digit
(use the DEL key).
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