HP 50G, User Manual

Page: 761 / 887

Page 24-1
Chapter 24
Calculator objects and flags
Numbers, lists, vectors, matrices, algebraics, etc., are calculator objects. They
are classified according to its nature into 30 different types, which are
described below. Flags are variables that can be used to control the calculator
properties. Flags were introduced in Chapter 2.
Description of calculator objects
The calculator recognizes the following object types:
_________________________________________________________________
Number
Type Example
_________________________________________________________________
0
Real Number
-1.23E-5
1 Complex Number
(-1.2,2.3)
2 String
"Hello, world "
3 Real Array
[[1 2][3 4]]
4 Complex Array
[[(1 2) (3 4)]
[(5 6) (7 8)]
5 List
{3 1 'PI'}
6 Global Name
X
7 Local Name
y
8 Program
<< a 'a^2' >>
9 Algebraic object
'a^2+b^2'
10 Binary Integer
# 2F1E h
11 Graphic Object
Graphic 131
×
64
12 Tagged Object
R: 43.5
13 Unit Object
3_m^2/s
14 XLIB Name
XLIB 342 8
15 Directory
DIR É END
16 Library
Library 1230"...
17 Backup Object
Backup MYDIR
18 Built-in Function
COS
19 Built-in Command
CLE R