Casio SF-5580

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Calculator Mode
The Calculator Mode provides you with all the tools you need to perform a variety of
calculations throughout the day. It also includes a calculation editing feature that lets
you recall the steps of a calculation and make changes.
0
1
2
3
65
4
7
C
+
8
9
+
AC
%
MM
+
MRC
• C/AC — clears the last value input. Press twice to clear a calculation on the
screen and start a new calculation.
• Use the number keys ( 0 through 9 ) to enter values. Press • to input a decimal
point.
• Use !, @, # and $ to specify the arithmetic operation that is marked on
each key.
• = — executes a calculation and displays its result.
• Use
MRC, M
@
, and M+ for calculator memory operations.
MRC — recalls the content of the memory, and clears it when pressed twice
successively.
M
@
— subtracts the currently displayed value from the current memory
contents.
M+ — adds the currently displayed value to the current memory contents.
• Use % for percentage calculations.
• Use ^ for square root calculations.
• !/@ — switches the sign of a value between positive and negative.
Cursor keys
Calculator Mode key
Memory keys,
number keys,
operator keys,
etc.