Casio CFX-9800G

ate
{o) Fraction Key :
*Use this key when entering fractions and mixed fractions. To enter the fraction 23/45,
for example, press 23@%)45. To enter 2-3/4, press 2@3)3@3)4:
«Press [xA)@] to display an improper fraction.
cH
quare/Square Root Key ws
*Enter a value and press this key to square the entered value.
*Press (i) and then enter a value to obtain the square root of the value.
see |
Open Parenthesis /Cube: Root Key
#Press this key to enter an open parenthesis in a formula.
¢Press G1) and then enter a value to obtain the cube root of the value.
a)
Close Parenthesis/Reciprocal Key
Press this key to enter a close parenthesis in a formula.
to obtain the reciprocal of the value.
*Enter a value and then press Sina
~_K
(2) Comma/Assignment Key
*Press this. key to input a comma.
*Press G4} and then enter a value memory name to assign the result of a calculation
to the value memory.
Example
5 lt 8
To store the result of 12+45 to value memory A
OBS Meo mame
Power/Root Key
Enter a value for x, press this key, and then enter a value for y to obtain x to the power of y.
Enter.a value for x, press G4), and then enter a value for y to obtain the xth root of y.
ew Z G-SOLWW.O Ddetm I .
(©) ~ (8); G) 10-key Pad
Use these keys to input valués from left to right. Use (¢) to input a decimal point. You .
can input up to 10 digits.
*Following operation of the Gif] key, the menus marked in green (or orange) above these
keys are accessed.
Sur] fia] — Memory Expansion
Use this key operation to expand the number of value memories from the standard 28.
(Gir) (EMeW) — Function Memory Menu
This key operation displays the menu used for function memory calculations (see page 43).
GG) — Unit of Angular Measurement Menu
This key operation displays the menu used for specification of the unit of angular mea-
surement.
Gis) — Display Format Menu
This key operation displays the menu used for specification of the display format for cal-
culation results.
=) — Clear Menu
This key operation displays the menu used for clearing memory contents.
(ar Gt) —- Complex Number Calculation Menu
This key operation displays the menu used for complex number calculation.
Gi) — Built-in Function Menu
This
key
operation
displays
the
menu
used
for
specification
of
built-in
functions
and
11
engineering symbols (k, x, etc.)
GA — Variable Data Menu
This key operation displays the menu used for a graph range, zoom factors, graph func-
tions,
statistical
data,
equation
solutions
and
coefficients,
and
the
Table
&
Graph
function.
j
—
Program
Command
Menu
-
This
key
operation
displays
the
menu
used
for-specification
of
special
built-in
program
functions.
&) Gia) — Graph Color Menu
This key operation displays the menu used for changing the color used for drawing a graph
to orange or green from blue.
@A)E=] — Graph Solve Menu
This
key
operation
displays
the’
menu.
that
can
be
used
to
obtain
the
roots,
maximum,
and minimum for any graph.
For
full
details
on
each
menu,
see
the
section
titled
“Basic
Set
up”,
“Basic
Operation”
staring from page 28.
All Clear/ON/OFF Key
Press this key to switch power on.
*Press this key while power is.on to-clear the display.
*Press this key following to switch power off.
INS
Delete/Insert Key .., ;
Press this key to delete the character at the current cursor location.
Press
SH)@9
to
display
the
insert
cursor
(*}).
You
can
insert
characters
while
the
insert.
cursor
is
displayed.
n
.
J
xX. ¥ Ss 7
a & Arithmetic Operator Keys
*Use these keys to input arithmetic operators.
sities Gi before inputting a value to indicate that the value is negative.
fea] Exponent/Pi Key
Use this key when entering a mantissa and exponent. To input 2.56 x 1054, for exam-
ple, enter 2:562)]34. Note that the maximum yalue, that can be used for an exponent
is £99. Any value outside this range results in a syntax error (Syn ERROR).
Press Gen) to input the value of z.
Press this. key following @] to enter the closed bracket 1.
‘Ang_SPACE
(—)/Answer/Space Key
*Press this key when entering a negative value.
Press Ga] and then this key to recall the most recent calculation result obtained using
the 6B key.
*Press Gi and then this key to enter a space.
a
Execute/Newline Key
*Press this key to obtain the result of a calculation. You can press this key following data
input, or after a result is obtained to execute the calculation again using the previous result.
*Press Gan)[-j] to perform a newline operation.
~I9—