HP 50g Quick Start Manual page 16

29. There are two major types of solvers on the 50g: numeric and symbolic. Let's examine the Numeric Solver first. Press
by 7(N.SLV). A choose box appears. Press 3 and note how the highlight jumps to the corresponding item. Press 1 to jump back to
Solve Equation and press ENTER.
A full screen solver appears (see Figure 15). To begin, we must enter an equation to solve. Rather than typing it all in at once, let's
30.
use the EquationWriter again. Press
example by pressing
2 2 2
to be Press
.
A B C
+ =
menu key and notice a cursor appears on a box around
equation. As you move, note how you can select individual items, or groups of the whole expression. Use the RIGHT and DOWN
cursor keys so the box surrounds only the 20 and then press ENTER to select 20 (see Figure 17).
Figure 15
Press the key to access the letters of the alphabet printed in yellow on the keys. Press
]
31.
the 20 is replaced by a letter A (see Figure 18). Press the cursor keys as follows: UP UP LEFT DOWN to highlight the 14. Press
followed by F2 (B) to replace the 14 with a letter B (see Figure 19). Press the cursor keys, UP UP, followed by
2
cursor. The erm moves to the left (see Figure 20). Press
t
B
2 2
reads . Press UP until the entire expression is highlighted. Press
A B
+
followed by F3(C)
]
10 Getting Started
followed by
@
followed by (PASTE). The whole expression is highlighted as shown in Figure 13. Let's rewrite this
@ L
followed by
! \
2. You now have the full
Q
(EQW). Now let's paste in the formula we copied from the last
³
(DEL) to remove the square root function (see Figure 16). Now press the CURS
2
. Use the cursor keys to move the cursor and the box around the
14
Figure 16
then LEFT cursor and it moves back. Position it so the equation
!
followed by
@
2 2 2
(see Figure 21). Press ENTER.
A B C
+ =
@
Figure 17
followed by F1 (A) and note how
]
then RIGHT
!
W
to insert an equals sign, =, then
followed
]