Texas Instruments TI-30X IIS User Manual page 112

Quick Reference to Keys
K F
EY
H
Displays the following menu of functions.
% h
Recalls the stored values to the display.
% 
Displays the RESET menu.
% k
Displays the following menu that lets you convert rectangular coordinates
(c,y) to polar coordinates (r,q) or vice versa.
% d
Displays the following numeric notation mode menu.
© 1999 T I I
EXAS NSTRUMENTS NCORPORATED
UNCTION
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.
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.
R4Pr Converts rectangular coordinate to polar coordinate r.
Converts rectangular coordinate to polar coordinate q.
R4Pq
Converts polar coordinate to rectangular coordinate c.
P4Rc
P4Ry Converts polar coordinate to rectangular coordinate y.
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.
(Continued)
TI-30X ÙS: A Guide for Teachers
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