Getting Started; Before Using The Calculator For The Fi Rst Time; Resetting The Calculator To Initial Defaults; About This Manual - Casio fx-50F User Manual

Getting Started

Thank you for purchasing this CASIO product.
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Before using the calculator for the fi rst time...
Turn over the calculator and slide it from the hard
case as shown in the illustration. Next, slide the hard
case onto the back of the calculator.
A After you are fi nished using the calculator...
Remove the hard case from the back of the calculator, and re-install it onto the front.
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Resetting the Calculator to Initial Defaults

Perform the operation below when you want to return the calculator's setup to its initial
defaults. Note that this procedure will also clear all memory contents (independent memory,
variable memory, Answer Memory, statistical calculation sample data, and program data).
!9 (CLR) 3 (All) w
Refer to the following for information about the calculation mode and setup and the various
types of memories used by this calculator.
• Calculation Modes and Setup (page 7)
Clearing the Calculation Mode and Setup Settings (page 10)
• Calculator Memory Operations (page 19)
• Statistical Calculations (SD/REG) (page 38)
• Program Mode (PRGM) (page 62)
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About this Manual

• Most of the keys perform multiple functions. Pressing ! or a and then another key
will perform the alternate function of the other key. Alternate functions are marked above
the keycap.
Alternate function operations are notated in this manual as shown below.
Example: !s (sin
The notation in parentheses indicates the function executed by the preceding key
operation.
Keycap function
–1
) bw
Alternate function
{D} {D}
–1 –1
sin sin
E-1