© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X ÙS: A Guide For Teachers
A-4
Quick Reference to Keys
(Continued)
A
Key Function
%
Displays the
RESET
menu.
RESET: N Y
Press
<
when
N
(no) is underlined to return to the previous screen
without resetting the calculator.
Press
<
when
Y
(yes) is underlined to reset the calculator. The
message
MEM CLEARED
is displayed.
Also, press
&
and
-
simultaneously to reset the calculator
immediately. No menu or message is displayed.
%
k
Displays the following menu that lets you convert rectangular coordinates
(
c
,
y
) to polar coordinates (
r
,
q
) or vice versa.
R
4
Pr
Converts rectangular coordinate to polar coordinate
r
.
R
4
Pq
Converts rectangular coordinate to polar coordinate
q
.
P
4
R
c
Converts polar coordinate to rectangular coordinate
c
.
P
4
Ry
Converts polar coordinate to rectangular coordinate
y
.
%
d
Displays the following numeric notation mode menu.
FLO
Restores standard mode (floating decimal).
SCI
Turns on scientific mode and displays results as a
number from 1 to 10 (1
n < 10) times 10 to an integer
power.
ENG
Turns on engineering mode and displays results as a
number from 1 to 1000 (1
n < 1000) times 10 to an
integer power. The integer power is always a multiple of
3.
>
Calculates the sine.
%
Z
Calculates the inverse sine.
%
t
Displays the following menu from which you can select
1-VAR
,
2-VAR
, or
CLRDATA
.
1-VAR
Analyzes data from 1 set of data with 1 measured
variable—
x
.
2-VAR
A
nalyzes paired data from 2 sets of data with 2
measured variables—
x
, the independent variable, and
y
,
the dependent variable.
CLRDATA
Clears data values without exiting
STAT
mode.
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