© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI
-
34
Û
: A Guide for Teachers
A-4
Quick Reference to Keys
(Continued)
A
Key
Function
z
Displays the following menu of variables.
A B C D E
Lets you view the stored value before pasting it to
the display.
%
'
Turns off the calculator and clears the display.
&
Turns on the calculator.
%n
Stores an operation for later recall.
m
Recalls and displays the operation stored in
m
.
%p
Stores a second operation for later recall.
o
Recalls and displays the operation stored in
p
.
H
Displays the following menu of functions:
nPr
Calculates the number of possible permutations.
nCr
Calculates the number of possible combinations.
!
Calculates the factorial.
RAND
Generates a random 10-digit real number between 0
and 1.
RANDI
Generates a random integer between 2 numbers
that you specify. Separate the 2 numbers with a
comma.
%
h
Recalls the stored values to the display.
%
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
P
q
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
.