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This article needs to be expanded!
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Integer types
| Type
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Size
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Range
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| Byte
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1 byte
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0 .. 255
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| ShortInt
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1 byte
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-128 .. 127
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| Word
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2 bytes
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0 .. 65535
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| SmallInt
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2 bytes
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-32768 .. 32767
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| Cardinal
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4 bytes
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0 .. 4294967295
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| Integer
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4 bytes
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-2147483648 .. 2147483647
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Floating point types
| Type
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Size
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Range
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| Single
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4 bytes
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1.5 x 10-45 .. 3.4 x 1038
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| Double
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8 bytes
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5.0 x 10-324 .. 1.7 x 10308
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| Extended
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10 bytes
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3.6 x 10-4951 .. 1.1 x 104932
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String types
| Type
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Description
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| Char
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Stores a single Ansi character
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| String
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Holds a sequence of Ansi characters of any length
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| WideString
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Holds a sequence of Unicode characters of any length
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Other types
| Type
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Description
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| Boolean
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Provides an enumeration of the logical True and False values
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| Array
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Single and multi dimensional indexable sequences of data
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| Record
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Provides means of collecting together a set of different data types into one named structure
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| Variant
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Provides a flexible general purpose data type
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Enumerations
An enumeration is simply a fixed range of named values.
For example, the Boolean data type is itself an enumeration, with two possible values: True and False. If you try to assign a different value to a Boolean variable, the code will not compile.
