Atari XL

12
The Atari XL Handbook
screen colour to blue and display the READY
message.
NUMBERS
As well as printing words, the Atari XL can also
handle numbers. Try:
PRINT 5
You can do ari thmetic:
Addition:
PRINT 5+3
Subtraction:
PRINT 7-4
Multiplication:
PRINT 3*5
Division:
(RETURN)
PRINT 15/6
Powers (exponentiation):
PRINT 31\2
You can ask the computer to calculate longer
expressions, such as:
PRINT 3*5 + (11+5)/(9-7) * 3/4
(the answer should be 21).