Casio fx-50F Manual De Usuario

E-1

Thank you for purchasing this CASIO product. 

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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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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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• 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 

Keycap function 

  Alternate function operations are notated in this manual as shown below. 

Example:  

!s(sin

–1

)b

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The notation in parentheses indicates the function executed by the preceding key 
operation. 

sin

–1

{D}

s

sin

–1

{D}

s