-- Think of a name for the sum, like 'S'.
-- Tell qbasic what 'S' is the sum of.
S = 41 + 61 + 2 + 84 + 136
-- If you want to see it on the screen, then
PRINT S
and the sum pops up. It looks like this on the screen:
324
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CLS FOR eachNum%=1 TO 10 STEP 2 PRINT eachNum% NEXT
You use the relevant formula.
Difference between QBASIC and GWBASIC?
The advantage of qbasic is that it is easy to learn, to start out,then one can move on to more complex, or advanced languages.
In order to Download Qbasic you may do one, both or none of these two things: 1.) Go to "http://www.softpedia.com/get/Programming/Coding-languages-Compilers/Qbasic.shtml" and click download or 2.) use "Google.com" with the keywords Qbasic free download to find another website with a free qbasic downlaod.