Casio FX-991W User Manual

* Avoid use and storage in areas subjected to tempera*
ture extremes.
Very low temperatures can cause slow display response,
total failure of the display, and shortening of battery life.
Also avoid leaving the calculator in direct sunlight, near
a window, near a heater or anywhere else it might be¬
come exposed to very high temperatures Heat can
cause discoloration or deformation of the calculators
case; and damage to internal circuitry.
• Avoid use and storage in areas subjected to large
amounts of humidity and dust.
Take care never to leave the calculator where it might
be splashed by water or exposed to large amounts of
humidity or dust. Such elements can damage interna!
circuitry.
* Never drop the calculator or otherwise subject it to
strong impact
• Never twist or bend the calculator.
Avoid carrying the calculator in the pocket of your trou¬
sers or other tight -fitting clothing where it might be sub-
jected to twisting dr bending.
* Never try to take the calculator apart.
♦ Never press the keys of the calculator with a bail-point
pen or other pointed object.
• Use a soft, dry cloth to clean the exterior of the unit
If the calculator becomes very dirty, wipe it off with a
cloth moistened in a weak solution of water and a mild
neutral household detergent Wring out a!! excess mois¬
ture before wiping the calculator. Never use thinner, ben¬
zine or other volatile agents to clean the calculator. Do¬
ing so can remove printed markings and damage the

Casio FX-991W Specifications

General

Brand	Casio
Model	FX-991W
Category	Calculator
Language	English