α-4-2

 

 

 

Key Index

 

 

 

 

 

 

Key

Primary Function

Combined with!

Combined with

a

 

 

 

 

 

 

 

 

 

 

 

Moves cursor downward. Scrolls

Scrolls one screen down in

 

c screen. Switches to next function in

the e ACT or RUN MAT

 

 

 

trace mode.

(Math input mode) mode.

 

 

 

 

 

 

 

 

Moves cursor to left. Scrolls

 

 

d screen. Press after wto display

Makes contrast lighter.

 

 

 

calculation from end.

 

 

 

 

Moves cursor to right. Scrolls

 

 

e screen. Press after wto display

Makes contrast darker.

 

 

 

calculation from beginning.

 

 

A

Allows input of variable X, θ , and

Enters the operator () for

Enters letter A.

complex number polar

v T.

format input.

 

 

 

 

 

 

 

 

 

 

10 x

B

Press before entering value to

Press before entering

Enters letter B.

l calculate common logalithm.

exponent value of 10.

 

 

 

 

 

 

e x

C

Press before entering value to

Press before entering

Enters letter C.

I calculate natural logarithm.

exponent value of e.

 

 

 

 

 

 

sin–1

D

Press before entering value to

Press before entering value

Enters letter D.

s calculate sine.

to calculate inverse sine.

 

 

 

 

 

cos–1E

Press before entering value to

Press before entering value

Enters letter E.

c calculate cosine.

to calculate inverse cosine.

 

 

 

 

 

 

tan–1

F

Press before entering value to

Press before entering value

Enters letter F.

t calculate tangent.

to calculate inverse tangent.

 

 

 

 

 

 

 

Linear input mode:

 

 

( G

Press between entering fraction values. Inputs a mixed fraction.

 

Math input mode:

(Enabled only for the Math

Enters letter G.

$ Enters an improper fraction()

input mode.)

 

 

 

in natural input format.

 

 

 

 

 

 

 

 

H

 

Converts between an

 

 

 

 

 

F Converts fraction to decimal.

improper fraction and

Enters letter H.

 

 

 

mixed fraction.

 

3

I

Enters open parenthesis in

Press before entering value

 

 

Enters letter I.

( formula.

to calculate cube root.

 

 

 

 

 

 

x–1

J

Enters close parenthesis in

Press after entering value to

Enters letter J.

 

 

) formula.

calculate reciprocal.

 

 

 

 

Transitions from an application

 

 

K

 

launched from an eActivity to

 

, Enters comma.

another application. (Enabled

Enters letter K.

 

 

 

only in an eActivity.)

 

 

 

 

 

 

 

 

 

Toggles between an eActivity

 

 

L

Assigns value to an Alpha memory

and the screen of an application

Enters letter L.

 

 

a name.

launched from the eActivity.

 

 

 

 

(Enabled only in an eActivity.)

 

 

 

 

 

 

CAPTURE

M

 

Captures the current screen

 

h Enters number 7.

to Capture memory.

Enters letter M.

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