Casio fx-50F Manual De Usuario

E-2

• The following shows the notation used in the manual for menu items that appear on the 

display (which are executed by pressing a number key). 

Example:  b(Contrast) 

The notation in parentheses indicates the menu item accessed by the preceding number 
key. 

• The cursor key is marked with arrows indicating direction as shown in the 

illustration nearby.  Cursor key operations are notated in this manual as:  
f, c, d, and e.

• The displays and illustrations (such as key markings) shown in this User’s Guide are for 

illustrative purposes only, and may differ somewhat from the actual items they represent.

• The contents of this manual are subject to change without notice.
• In no event shall CASIO Computer Co., Ltd. be liable to anyone for special, collateral, 

incidental, or consequential damages in connection with or arising out of the purchase or 
use of this product and items that come with it. Moreover, CASIO Computer Co., Ltd. shall 
not be liable for any claim of any kind whatsoever by any other party arising out of the use 
of this product and the items that come with it. 

Be sure to read the following safety precautions before using this calculator. Keep this 
manual handy for later reference. 

This symbol is used to indicate information that can result in personal injury or material 
damage if ignored. 

• After removing the battery from the calculator, put it in a safe place where it will not 

get into the hands of small children and accidentally swallowed.

• Keep batteries out of the reach of small children. If accidentally swallowed, consult 

with a physician immediately.

• Never charge the battery, try to take the battery apart, or allow the battery to become 

shorted. Never expose the battery to direct heat or dispose of it by incineration. 

• Improperly using a battery can cause it to leak and damage nearby items, and can 

create the risk of fi re and personal injury. 

• Always make sure that the battery’s positive 

k

 and negative 

l

 ends are facing 

correctly when you load it into the calculator.

• Use only the type of battery specifi ed for this calculator in this manual. 

• Never dispose of the calculator by burning it. Doing so can cause certain components 

to suddenly burst, creating the risk of fi re and personal injury.