Beginner's Programming Tutorial in QBasic

In the above example, the number 15 was stored in the computer's RAM at a certain memory
address. Then the the screen. PRINT command accessed (or looked at) that address when it printed "15" to

( NOTE: The memory address of X is not necessarily 1000000 )

ADVANCED TIP: need to, you can find the actual memory address Although you don't normally

of a variable (X, for example) by using the

VARSEG and VARPTR commands.

PRINT (VARSEG(X) * 65536) + VARPTR(X)

(For more information, see Memory .)

As in the programs above, a variable is accessed by calling its name. Variable names can have acombination of letters and numbers. The following are valid variables:

Y

num

VALUE

xYz

abc