hen the display characters are dim or show the follow
message on the screen, turn the calculator off and replace
the lithium battery immediately.
lease replace the lithium battery using the following
procedures,
1.
ress to power off the calculator.
2. Remove the screw that securely fixes the battery cover
in place.
. Remove battery cover.
. Remove the old battery with pen or similar sharp ob ect.
. Load the new battery with positive + side facing up.
. Replace the battery cover, screw, and press ,
to initiali
e the calculator.
Caution:
Ris
of explosion if battery is replaced by an
incorrect type. Dispose of used battery according
to the instruction.
Electromagnetic interference or electrostatic discharge
may cause the display to malfunction or the contents of
the memory to be lost or altered. Should this occur,
press , to restart the calculator.
BATTERY REPLACEMENT
!
L
BATTERY
.
Centrifugal force (2):
.
The law of gravity:
.
Electric field intensity:
.
eron s Formula (Triangular area):
7.
Refractive index:
.
Critical angle of total reflection:
No.
Name of Formula
Formula Equation