Data Types Built into VB6

Built in Types

The built in types are:

Byte	eight bit, unsigned
Integer	16 bit, signed
Long	32 bit signed
Single	32 bit floating point, range about \pm 10^{38}
Double	64 bit IEEE floating point, range about \pm 10^{308}
Currency	exact representation of decimal numbers of up to four decimal places (is this correct)
String	dynamically allocated UniCode strings, theorectical capacity about 29 characters.
Collection	an associative array of Variants.
Object	a holder for any type of Object.
Variant	a holder for any type of value or object.

Type	Storage	Range of Values
Byte	1 byte	0 to 255
Integer	2 bytes	-32,768 to 32,767
Long	4 bytes	-2,147,483,648 to 2,147,483,647

Type	Storage	Range of Values
Single	4 bytes	-3.402823E+38 to -1.401298E-45 for negative values 1.401298E-45 to 3.402823E+38 for positive values.
Double	8 bytes	-1.79769313486232e+308 to -4.94065645841247E-324 for negative values 4.94065645841247E-324 to 1.79769313486232e+308 for positive values.