Table 12-1. The SOLVE Menu Labels

 

 

Menu

Description

Label

 

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.

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 (+, =, yx,

etc.). If you make a mistake, use <to backspace or Cto start over. Or press eto bring up the ALPHA-Edit menu.

3.Press Ito store the equation.

4.Press to verify that the equation is valid, and to create its menu labels. You now can proceed with your calculations.

When you press the calculator displays:

 

12: The Equation Solver 157

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