On Variable Values
v A variable can be thought of as a “named container”
Variables name computer memory locations, so the value of a
variable is the quantity stored in its memory
v Variables can take on different types of values
o Whole numbers or integers: 2, -9, 1048576
o Character sequences or strings: “2”, “&^%$#@”, “ ”
o Floating point numbers or doubles: 2.0, 3.14159, -999.99
(numbers that can have some digits after the
decimal point)
v A variable’s values have a specific type
v Variables are declared and their type is specified
o Dim averageOverClass As Double