Browsing in the equation library, Browsing in the equation library -4, Viewing equations – HP 48g Graphing Calculator User Manual
Page 350
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Browsing in the Equation Library
When you select a subject and title in the Equation Library, you
specify a set of one or more equations. You can get the following
information about the equation set from the Equation Library
catalogs;
■ The equations themselves and the number of equations.
■ The variables used and their units—you can also change the units.
■ A picture of the physical system (for most equation sets).
25
Viewing Equations
All equations have a
display form
—some equations also have a
calculation form.
The display form gives the equation in its basic
form—the form you’d see in books. The calculation form includes
computational refinements. If the equation has a calculation form, an
* appears in the upper-left corner of the equation display.
Operations for Viewing Equations and Pictures
Key
Action
Example
E Q N
H K E Q
Shows display form of current or
next equation in Equation Writer
format.
Q
_
rO rr I
2-7T-r
(ENTER)
Shows display form of current or
next equation as an algebraic
object, (
enter
) or (T) shows the
next equation, shows the
previous.
* ™ r |_| j.-l ■ +• 1
i
f“ I ¡1
Shows calculation forms by
putting a list containing the
current set of equations on the
stack.
L -
ti
1 .u
y Ls
r
*
I
f: n H H T ’• u
Pi
j -S ' i 5 r * I
.••• i.. X-A-Tf-AT '
}
25-4 The Equation Library