Texas Instruments TI-30X - IIS Scientific Calculator Teachers Manual page 107

Quick Reference to Keys
Key Function
N
Lets you enter mixed numbers and fractions.
% O
Converts a simple fraction to a mixed number or a mixed number to a
simple fraction.
% i
Recalls the most recently calculated result, displaying it as Ans.
-
Clears characters and error messages on the entry line. Once the display is
clear, it moves the cursor to the last entry in history.
% {
Clears all memory variables.
?
Calculates the cosine.
% [
Calculates the inverse cosine.
v
Lets you enter the statistical data points ( x for 1-VAR stats; x and y for
2-VAR stats).
J
Deletes the character at the cursor. If you hold J down, it deletes all
characters to the right. Then each time you press J, it deletes 1
character to the left of the cursor.
I
Displays the following menu that lets you change the
degrees (º), radians (r), or gradients (g), and then back to degrees without
affecting the value in the display.
When you turn on the TI30X ÙS, it is always in the DEG mode.
% ^
Calculates the natural antilogarithm (e raised to the power of the value).
% C
Lets you enter and calculate the exponent.
<
Completes the operation or executes the command.
% w
Displays the following menu that lets you clear data values and exit
mode.
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EXAS NSTRUMENTS NCORPORATED
Sets degree mode.
DEG
RAD Sets radian mode.
GRD Sets gradient mode.
EXIT ST: Y N
Press < when Y (yes) is underlined to clear data values and exit
mode.
STAT
Press < when N (no) is underlined to return to the previous screen
without exiting mode.
STAT
( C o n t i n u e d )
TI-30X ÙS: A Guide For Teachers
A
mode to
Angle
STAT
A-2