HP 48gx User Manual

Step 1: Move the highlight to the Eis field (if necessary) and enter
the equation. (6 can be typed using (@)@)F or selecting it
from CHARS.)
OE@C FD ?2@0)
@@A)2E @E@B
202 HNO@A ®
@@B ® 03) @@F
Step 2: Store the known values.
9 (ENTER)
4 (ENTER)
7 (ENTER)
Step 3: Solve for the angle (9).
SOLVE
22 COLYE EQUATION 0
ch2=at2+bt2-2*%a*b..
¢ I
E: H:
ENTER YALUE OF PREZ: SOLVE
EE EE UT ETE
SEEN SOLVE EQUATION i
Ee: o2= =aterhras 2¥a¥b..
oI
ENTER VALUE OR PRESS SOLVE
EDT] | [Waki] [SOLVE]
3 22% SOLVE EQUATION iH
Ec: 'ch2=a™2+b"2-2%a*b..
ca A:
: 7 :
EMTER VALUE OR PRESS SOLVE
EDT] | [WAR: INFO [SOLVE]
Step 4: How long would side ¢ be if the obtuse angle, 8, was 120
degrees? Enter 120 into & and solve for i.
120
(WV
s0LvE
SU SOLVE EQUATION i
EQ aii 2% a%bu.
ENTER VALUE OF PRESS SOLVE
ECT | [ARS [INFO [SOLVE]
Step 5: Exit the SOLVE application. Notice that the labeled results
of each execution of Ziil 4
5-6 Solving Equations
E are put on the stack for you.

HP 48gx Specifications

General

Model	HP 48gx
Type	Graphing Calculator
Display Type	LCD
Display Size	131x64 pixels
Memory	128 KB RAM
Expandable Memory	Yes, via expansion cards
Release Year	1993
Processor	Saturn
Programming Language	RPL
Power Supply	3x AAA batteries
Weight	255 g (9 ounces)