72 Chapter 4: ConversionsàConstants
7304ENG.DOC TI-73, Chap 4, English Julie Hewlett Revised: 05/16/98 12:08 PM Printed: 05/19/99 8:59 AM
Page 72 of 10
To use a constant:
1. Define the constant in the Set Constant editor (- ).
2. Recall the constant with the @ key.
Single ModeSingle Mode
By selecting Single mode, you tell the calculator that you only
want to access one constant from the list, even if more than
one is defined.
To select the one constant (C1, C2, C3, or C4) you want to use,
highlight the = next to it, and then press b. This
automatically deselects any other defined constants.

Defining Constants in Single Mode

Enter the constants in the Set Constant editor as shown in the
following example. At any time you can enter this editor and
edit, delete, or add constants.
Define C1 = +1/2 and C3 = ¦1/2.
1. Enter the Set Constant
editor.
-†
2. Highlight Single with the
cursor, if necessary.
$b
3. Define C1 as +1/2.
#\1=2
³