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164 12: The Equation Solver
File name : English-M02-1-040308(Print).doc Print data : 2004/3/9
Deleting One Equation or Its Variables (DELET)
To delete an equation or its variables:
1. Display the equation.
2. Press in the SOLVE menu.
3. To delete the equation, respond to both questions:
(If the entry has no variables allocated, then only the second question
appears.)
4. To delete just the variables, respond to
. This preserves the equation.
Deleting All Equations or All Variables in the Solver
(
@c
)
To delete all the equations in the Solver, or just all the variables in all the
equations:
1. Display the SOLVE menu. It doesn’t matter which equation is
displayed.
2. Press
@c
. To delete all equations, respond to both
questions:
3. To delete just the variables, respond to
. This preserves all equations.
Writing Equations
An equation in a book looks different from an equation in the Solver. A
numerator and denominator might be separated by a bar, such as