Elementary Statistics and Computer Application

The LET Statement

This statement is used to assign a value to a variable. Its format is



Where
l– a statement number (label)
v– Variable name
expr– an expression
eg :
10 LET A = 15
This will assign the value 15 to the variable A.
10 LET B = 4 + 5 *6
First the expression 4 + 5 * 6 is evaluated according to the rules of evaluation of expressions. The value is 34. This value is assigned to the variable B.Instead the above statement it can also be written as LET statement is optional in BASIC.
10 A=15 and
10 B=4+5*6