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12: The Equation Solver 157
File name : 17BII-Plus-Manual-E-PRINT-030709 Print data : 2003/7/11
Table 12-1. The SOLVE Menu Labels
Menu
Label
Description
E
Verifies the current equation and creates menu labels
for it. This is necessary before doing any calculations.
*
Accesses the ALPHA-Edit menu (page 31) so you can
alter the current equation. The arrow keys move long
equations across the display.
n
Deletes the current equation or just its variables (that is,
the space allotted in memory for the variables).
/
Allows you to enter a new equation.
While you’re working with a specific equation in the Solver, the
equation’s own menu appears in the display. To retrieve the primary
SOLVE menu, press
e
.
Entering Equations
To make an entry into the Solver list:
1. Press &
/
. (To insert the new entry at the bottom of the list,
press
@]
.)
2. Use the ALPHA menu to type in characters (see page 30), and use the
regular keyboard to type in digits and arithmetic operators (+, =, y
x
,
etc.). If you make a mistake, use
<
to backspace or
C
to start
over. Or press
e
to bring up the ALPHA-Edit menu.
3. Press
I
to store the equation.
4. Press E
to verify that the equation is valid, and to create its
menu labels. You now can proceed with your calculations.
When you press
E
the calculator displays:
OH2;G@;<=
HY41:;E<>"