68
Chapter 5
Data Types
CONTENTS
5.1 Constants....................................................................................................... 69
5.1.1 Types of Constants ............................................................................ 69
[ 1 ] String Constants........................................................................ 69
[ 2 ] Numeric Constants.................................................................... 69
5.2 Variables........................................................................................................ 71
5.2.1 Types of Variables according to Format............................................. 71
[ 1 ] String Variables......................................................................... 71
[ 2 ] Numeric Variables..................................................................... 72
5.2.2 Classification of Variables .................................................................. 73
5.3 User-defined Functions.................................................................................. 74
5.4 Type Conversion............................................................................................ 75
5.4.1 Type Conversion ................................................................................ 75
5.4.2 Type Conversion Examples ............................................................... 76
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