HP 48G Series

Lesson 2: Mathematical Objects and the HP 48
The mathematical and scientific disciplines use a wide variety of
objects in the process of describing and solving problems: real
numbers (sometimes with units attached), complex numbers, vectors,
matrices, functions, variables, equations, plots of many kinds, points,
sequences, words and sentences, programs, and so forth.
The HP 48 can use all of these objects and more:
Labeled Quantity
Equation
Expression
Sequence
Commands
Program
List
Volume 1s 6.74 ml.
4x3 —5xy? = 9x +y
sin(z).
0,1,1,2,3,5
Draw the plot.
Find square roots.
2, “TWO”, DRAW
Concept Example HP 48 Object
Real Number 14.75 14.75
. with Unit 14.75 m/s 14.75 mz
Complex Number 34+ 4 I
... Polar Form Ch. aSE. 1
Ordered Pair (4,-6) Lid ED
Coordinate (8.25,12.1) CELEE. 12010
Symbolic Constant ie fr!
Variable z Fug!
Vector 4h+j— 3k C41 -z 1
... Polar Form C5 «dB 2128
Matrix i 5 PL 2-4 1 3
Lai —-2 1]
Text String Begin here. "Begin here.”
LE gL. Vd ml
Penta Ey TEE
HE!
PIMs
Bll 2 38
DREAM
0 DUR MHEG #
= UTHO" DRAW
2-2 Introducing the HP 48