Function to generate the fibonnacci series, Visual Basic Programming

Assignment Help:

The following code will do the job:

<SCRIPT LANGUAGE=vbscript>

<!--

Function IsPrime(str)

str=trim(str) Dim bln,ctr bln=true ctr=1

if(cint(str)<1)then

IsPrime=false exit function end if

if(cint(str)=1 or cint(str)=2 or cint(str)=3)then

IsPrime=true exit function end if

for ctr=cint(str)-1 to 2 step -1 if(cint(str)mod(ctr)=0)then bln=false

end if

next IsPrime=bln End Function

Function IsEven(str) str=trim(str) if(str="0")then IsEven=true

exit function

end if if(cint(str)mod(2)=0)then IsEven=true

else IsEven=false end if

End Function

Sub main()

str=text1.value

Dim blnEven,blnPrime

if not(isnumeric(str))then msgbox "Not numeric value" exit sub

end if

if(IsEven(str))then msgbox "Even" else

msgbox "Odd" end if

if(IsPrime(str))then msgbox "prime" else

msgbox "not prime"

end if

End Sub

}

//-->

</SCRIPT>

2.       Use the given function to generate the fibonnacci series.

FUNCTION fib (n)

if (N=0) or (N=1) then

Fib = 1

ElseFib = Fib (N- 1) + Fib (N-2) END If

END FUNCTION

3.       Use the given function to determine the factorial

Function Factorial(n) Dim i

If n < 0 Then

Factorial = 0

Exit Function End If Factorial = 1

For i = 2 To n

Factorial = Factorial * i

Next

End Function


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