LESSON 1
Clearing and
Correcting Keys
Keys:
ON Clears the display, memory and any pending operations. Sets the mode to degrees and changes
notation to norm. (Scientific notation)
AC (All clear) Clears all pending operations but does not
change mode or notation settings.
C (Clear)
Clears the last entry but does not affect the modes or notation settings.
► (Backspace) Clears the digit(s) on
the display screen from right to left, allowing you to correct an entry without
reentering the entire number.
Try this Enter Display
Turn
on calculator ON 0
Enter
1569 1569 1569
Change
to 1568
► 8
1568
Add
395 + 395 395
Clear
the entry and add 295 C 295 295
Clear entry and subtract 295 C – 295 295
And
calculate the result = 1273
Clear
display
AC 0