Every computer program user different commands keywords,constants and Variables.In this part we will choose we will discuss about Constants and variables.
Constants
Constants are actual value of numbers,characters and their combinations which can be used in BASIC language.
There are two types:
1.Numeric constants
2.String constants
Numeric Constants:
Its a positive or negative fixed number that can be assigned to a variable.
Example: 511-1976+25.90
10 Let A=511
20 Let S=1976
30 PRINT A+B
In this statement 511 and 1976 are NUMERIC CONSTANTS
STRING CONSTANTS
we can write any combination of characters .enclosed in quotes in string constants.
EXAMPLE: LAHORE
10 LET A= 1947
20 LET BS= PAKISTAN
30 PRINT B$was created in A
Here 1947 is a Numeric Constant and Pakistan is a string constant.
Constants
Constants are actual value of numbers,characters and their combinations which can be used in BASIC language.
There are two types:
1.Numeric constants
2.String constants
Numeric Constants:
Its a positive or negative fixed number that can be assigned to a variable.
Example: 511-1976+25.90
10 Let A=511
20 Let S=1976
30 PRINT A+B
In this statement 511 and 1976 are NUMERIC CONSTANTS
STRING CONSTANTS
we can write any combination of characters .enclosed in quotes in string constants.
EXAMPLE: LAHORE
10 LET A= 1947
20 LET BS= PAKISTAN
30 PRINT B$was created in A
Here 1947 is a Numeric Constant and Pakistan is a string constant.
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