QBasic Tutorials: QBasic for Beginners - Chapter 5
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QBasic for Beginners
QBasic Tutorials: QBasic for Beginners, Chapter 5 - More about Variables with QBasic: Types of variables.
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Beginners
Chapter V
More about Variables
So far you know that there are string variables (for holding text) and numeric variables
(for holding numbers). But numbers can be very different, and in QBasic there are some
different types of numeric variables:
Type of a variable
The number it can hold
Example of a number
Example of a variable
INTEGER
A whole number, from -32,768 to 32,767
5
a%
LONG INTEGER
A whole number, from more than
92,345
a&
SINGLE PRESICION
A number with up to 6 digits after the decimal point
3.725
a!
DOUBLE PRESICION
A number with up to 15 digits after the decimal point
3.1417583294
a#
As you see, those types of variables have a special symbol as part of their names:
%
INTEGER
The SINGLE type of variable is the most widely used in QBasic,
&
LONG
!
SINGLE
#
DOUBLE