E-2
Key Primary Function
Combined with
Combined
with ?
QUIT
)
Back steps to the previous
screen without making any
changes.
Returns directly to initial screen
of the mode.
D
Moves cursor upward. Scrolls
screen. Switches to previous
function in trace mode.
Scrolls one screen up in the
e • ACT or RUN • MAT mode
(Math input/output mode).
A
Moves cursor downward.
Scrolls screen. Switches to
next function in trace mode.
Scrolls one screen down in the
e • ACT or RUN • MAT mode
(Math input/output mode).
B
Moves cursor to left. Scrolls
screen. Press after U to
display calculation from end.
Makes contrast lighter.
C
Moves cursor to right. Scrolls
screen. Press after U to
display calculation from
beginning.
Makes contrast darker.
A
T
Allows input of variable X, Ƨ,
and T.
Enters the operator (
) for
complex number polar format
input (page 2-30).
Enters
letter A.
10
x
B
J
Press before entering value
to calculate common logalithm
(page 2-14).
Press before entering exponent
value of 10.
Enters
letter B.
e
x
C
(
Press before entering value
to calculate natural logarithm.
Press before entering exponent
value of
e.
Enters
letter C.
sin
–1
D
Q
Press before entering value
to calculate sine (page 2-13).
Press before entering value to
calculate inverse sine (page
2-13).
Enters
letter D.
cos
–1
E
A
Press before entering value
to calculate cosine (page
2-13).
Press before entering value to
calculate inverse cosine.
Enters
letter E.
tan
–1
F
R
Press before entering value
to calculate tangent.
Press before entering value to
calculate inverse tangent.
Enters
letter F.
G
6
Linear input/output mode:
Press between entering
fraction values (page 2-19).
Math input/output mode:
Enters an improper fraction
(
) in natural input format
(pages 1-12 and 1-18).
Inputs a mixed fraction (page
1-11). (Enabled only for the
Math input/output mode.)
Enters
letter G.
H
Converts a fraction to a
decimal value or a decimal
value to a fraction (pages
1-19 and 2-19).
Converts between an improper
fraction and mixed fraction
(page 2-19).
Enters
letter H.
Key Primary Function
Combined with
Combined
with ?
3
I
Enters open parenthesis in
formula (page 2-1).
Press before entering value to
calculate cube root.
Enters
letter I.
x
–1
J
Enters close parenthesis in
formula (page 2-1).
Press after entering value to
calculate reciprocal.
Enters
letter J.
K
Enters comma.
Transitions from an application
launched from an eActivity to
another application (page 10-11).
(Enabled only in an eActivity.)
Enters
letter K.
L
?
Assigns value to an Alpha
memory name (page 2-6).
Toggles between an eActivity
and the screen of an application
launched from the eActivity
(page 10-9). (Enabled only in
an eActivity.)
Enters
letter L.
CAPTURE M
F
Enters number 7.
Captures the current screen to
Capture memory (page 1-30).
Enters
letter M.
CLIP N
G
Enters number 8.
Changes the shape of the
cursor to indicate that the
clipboard function is enabled
(page 1-8).
Enters
letter N.
PASTE O
H
Enters number 9.
Pastes the character string that
is on the clipboard (page 1-9).
Enters
letter O.
INS UNDO
#
Insert mode:
Backspace function.
Overwrite mode:
Deletes the character at the
cursor position.
(See page 1-6.)
Linear input/output mode:
Toggles between the insert
mode and overwrite mode
(page 1-6).
Math input/output mode:
With natural input, inserts
a function into an existing
expression (page 1-15).
Performs
UNDO
operation
(page
1-16).
OFF
M
Turns power on. Clears the
display.
Turns power off.
CATALOG P
C
Enters number 4.
Displays the catalog function
list (page 1-9).
Enters
letter P.
Q
D
Enters number 5.
Enters
letter Q.
R
E
Enters number 6.
Enters
letter R.
{S
Multiplication function (page
2-1).
Enters open curly bracket.
Enters
letter S.
}T
Division function (page 2-1). Enters close curly bracket.
Enters
letter T.
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