Casio CFX9850GBPLUS User Manual page 24

Key Primary Function
QUIT
Back steps to the previous screen
J
without making any changes.
Moves cursor upward. Scrolls
f
screen. Switches to previous
function in trace mode.
Moves cursor downward. Scrolls
c
screen. Switches to next function in
trace mode.
Moves cursor to left. Scrolls
d
screen. Press after w to display
calculation from end.
Moves cursor to right. Scrolls
e
screen. Press after w to display
calculation from beginning.
A
Allows input of variable X, , and T.
v
Press before entering value to
x
10 B
calculate common logalithm (see
l
page 2-4-5).
Press before entering value to
x
e
C
calculate natural logarithm (see
I
page 2-4-5).
−1
sin D Press before entering value to
s
calculate sine (see page 2-4-4).
−1
cos E Press before entering value to
c
calculate cosine (see page 2-4-4).
−1
tan F Press before entering value to
t
calculate tangent (see page 2-4-4).
Linear input mode:
Press between entering fraction
values.
( G
Math input mode:
$
Enters an improper fraction (
natural input format.
(See page 2-4-10.)
H Converts fraction to decimal (see
F
page 2-4-11).
' I
3
Enters open parenthesis in formula
(
(see page 2-1-1).
x
−1
J Enters close parenthesis in formula
)
(see page 2-1-1) .
1-1-2
Keys
Combined with !
Returns directly to initial
screen of the mode.
Scrolls one screen up in
the e ACT or RUN
•
(Math input mode) mode.
Scrolls one screen down in the
e ACT or RUN
• •
(Math input mode) mode.
Makes contrast lighter.
Makes contrast darker.
Enters the operator ( ) for
complex number polar format
input.
Press before entering
exponent value of 10 (see
page 2-4-5).
Press before entering
exponent value of
2-4-5).
Press before entering value
to calculate inverse sine (see
page 2-4-4).
Press before entering value to
calculate inverse cosine (see
page 2-4-4).
Press before entering value to
calculate inverse tangent (see
page 2-4-4).
Inputs a mixed fraction (see
page 2-4-10).
(Enabled only for the Math
) in
input mode.)
Converts between an improper
fraction and mixed fraction (see
page 2-4-12).
Press before entering value to
calculate cube root (see page
2-4-7).
Press after entering value to
calculate reciprocal (see page
2-4-7).
20070201
Combined with
a
MAT
•
MAT
Enters letter A.
Enters letter B.
e
Enters letter C.
(see page
Enters letter D.
Enters letter E.
Enters letter F.
Enters letter G.
Enters letter H.
Enters letter I.
Enters letter J.