by C.R.RAJAGOPAL STAR TECHNOLOGIES (3 Submissions)
Category: Math/Dates
Compatability: VB 6.0
Difficulty: Unknown Difficulty
Originally Published: Wed 11th August 2004
Date Added: Mon 8th February 2021
Rating: 
(1 Votes)
TO FIND THE SUM OF ANY SERIES IF THE STARTING NUMBER,ENDING NUMBER AND INCREMENT VALUES ARE GIVEN
API Declarations
'PLACE FOUR LABELS LBLSTART,LBLEND,LBLINCREMENT,LBLREMARK WITH CAPTIONS
'STARTING NUMBER,ENDING NUMBER,INCREMENT VALUE AND REMARK/RESULT
'PLACE FIVE TEXTBOXES =THREE TO ACCEPT INPUT FOURTH TO DISPLAY RESULT
'FIFTH TEXTBOX WITH TEXT "A SERIES WITH SUCH A STARTING,ENDING AND INCREMENT
'CANNOT EXIT"
'PLACE 3 COMMAND BUTTONS CMDRESULT,CMDCLEAR,CMDEXIT
Dim s, e, d, a As Integer
VBcoders
Private Sub Cmdsum_Click()
s = CInt(Text1.Text)
e = CInt(Text2.Text)
d = CInt(Text3.Text)
If (e - s) / d = Int((e - s) / d) Then
a = ((s + e) * (e - s + d)) / (2 * d)
Text4.Text = a
Else
Text4.Visible = False
Text5.Visible = True
End If
End Sub
Private Sub Cmdclear_Click()
Text5.Visible = False
Text4.Visible = True
Text1.Text = ""
Text2.Text = ""
Text3.Text = ""
Text4.Text = ""
End Sub
Private Sub Cmdexit_Click()
Unload Me
End
End Sub
Private Sub Form_Load()
Text5.Visible = False
End Sub
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