Storing Values In A Variable - Texas Instruments TI-83-Plus Tips And Techniques

TI-83 Plus Edit Keys
| or ~ Moves the cursor within an expression; these keys repeat.
} or † Moves the cursor from line to line within an expression that
occupies more than one line; these keys repeat.
On the top line of an expression on the home screen, } moves the
cursor to the beginning of the expression.
On the bottom line of an expression on the home screen, † .
moves the cursor to the end of the expression
y|
Moves the cursor to the beginning of an expression.
y~ Moves the cursor to the end of an expression
Í Evaluates an expression or executes an instruction.
'
On a line with text on the home screen, clears the current line.
On a blank line on the home screen, clears everything on the
home screen.
In an editor, clears the expression or value where the cursor is
located; it does not store a zero.
{ Deletes a character at the cursor; this key repeats.
y
[INS] Changes the cursor to an underline (__); inserts characters in front
of the underline cursor; to end insertion, press y
}, |, †, or ~.
y Changes the cursor to Þ; the next keystroke performs a 2
operation (an operation in yellow above a key and to the left); to
cancel 2nd, press y again.
ƒ Changes the cursor to Ø; the next keystroke pastes an alpha
character (a character in green above a key and to the right); to
cancel ., press ƒ or press }, |, †, or ~.
y
[ ] Changes the cursor to
A-LOCK
alpha key) paste alpha characters; to cancel alpha-lock, press
you are prompted to enter a name such as for a group or a program,
alpha-lock is set automatically
„
Pastes an X in Func mode, a T in Par mode, a q in Pol mode, or
an n in Seq mode with one keystroke.
y Í Displays the last operation performed.

Storing Values in a Variable

Values are stored to and recalled from memory using variable names. When an
expression containing the name of a variable is evaluated, the value of the variable at
that time is used.
©Billings Adult Education Center, 2004
Texas Instruments Calculator Basics
Tips, Techniques, and Graphing
; sets alpha-lock; subsequent keystrokes (on an
Ø
or press
[INS]
nd
.. If
ƒ
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