Free Pascal - types and variables

Simple data types that can be numbers, characters, or logical types. They are suitable for storing one value.

Using a type conversion we can change the type of existing types. Thanks to this we can overwrite automatic conversion.

Variable is used for storing the data. can be declared in different locations and can be used in different locations. it can be distinguished according to the lifetime: they are global or local static variables. it is possible use in the structure or function.

b3:= Boolean( 0);

y :=double((x * y));

y := shortint((x * y));

y := Int64((x * y));

y :=single((x * y));

y := QWord((x * y));