Casio CFX-9800G Owner's Manual page 27

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{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
engineering symbols (k, x, etc.)
GA — Variable Data Menu
This key operation displays the menu used for a graph range, zoom factors, graph func-
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
and minimum for any graph.
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.
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.
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