Does API Testing Need Coding Knowledge?

Virus in .bat

Let start with simple virus
start a
:a
start calc
goto a
save it as a.bat in notepad and look

Calc using visual basic 2008

Let first i tell you that how to make two variablet add then make it as for other arthmatic operation let start
1. Open new project name as calc
2.take three textbox and two button in form.
3.now take label in front of first as val1 and other textbox2 front label as val2 .
4.now in fist button press twice and write code as
textbox3.text=cdbl(cdbl(textbox1.text)+cdbl(textbox2.text)) and press f5 and add calc ready to u .now make other operation as on you
thanx for reading
pramoddutta