I
NOTE:
Depress the
If nothing appears on the display during calculation do not continue making entries.
CALCULATION
Addition & subtraction
Addition and
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CALCULATION EXAMPLES
key prior to beginning any calculation.
EXAMPLE
+
+
=
•
125
350
25
+
−
=
•
2.50
4.50
3.00
OPERATION
125
350
•
0
250
250
450
•
A
00
DISPLAY
500.