About The Ti-34 Ü Vi - Texas Instruments TI-34 II Explorer Plus User Manual

About the TI.34 Ü
Two-Line Display
The first line (entry line) displays an entry of
up to 88 digits (47 digits for stat or stored
operations entry line). Entries begin on the
left; those with more than 11 digits scroll to
the right. Press ! and " to scroll the entry
line. Press % ! or % " to move the
cursor immediately to the beginning or end of
the entry.
The second line (result line) displays a result
of up to 10 digits, plus a decimal point, a
negative sign, a "x10" indicator, and a
two-digit positive or negative exponent.
Results that exceed the digit limit are
displayed in scientific notation.
Display Indicators
Refer to Appendix B for a list of the display
indicators.
Order of Operations
The TI-34 Û uses the Equation Operating
System (EOSé) to evaluate expressions. The
operation priorities are listed on the
transparency master in Chapter 4, Order of
Operations and Parentheses .
Because operations inside parentheses are
performed first, you can use D or E to
change the order of operations and,
therefore, change the result.
2nd Functions
Pressing % displays the 2nd indicator, and
then accesses the function printed above the
next key pressed. For example, % b 25 E
< calculates the square root of 25 and
returns the result, 5.
© 1999 T I
EXAS NSTRUMENTS
I
NCORPORATED
Menus
Certain TI-34 Û keys display menus:
z, % h, L, % t,
u, % w, H, I,
% k, =, % ‚ and % .
Press ! or " to move the cursor and
underline a menu item. To return to the
previous screen without selecting the item,
press -. To select a menu item:
Press < while the item is underlined,
or
For menu items followed by an argument
value (for example, nPr), enter the value
while the item is underlined. The item and
the argument value are displayed on the
previous screen.
Previous Entries # $
After an expression is evaluated, use #
and $ to scroll through previous entries,
which are stored in the TI-34 Û history. You
cannot retrieve previous entries while in
mode.
STAT
Error Messages
Refer to Appendix C for a listing of the error
messages.
Last Answer (Ans)
The most recently calculated result is
stored to the variable Ans. Ans is retained
in memory, even after the TI-34 Û is turned
off. To recall the value of Ans:
Press %i (Ans displays on the
screen), or
Press any operation key (T, U, F, and
so on) as the first part of an entry. Ans
and the operator are both displayed.
TI-34 Û: A Guide for Teachers
v