functionPointAnalysis/index.html at gh-pages · AaronAtkinson/functionPointAnalysis · GitHub

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<!-- saved from url=(0087)http://groups.engin.umd.umich.edu/CIS/course.des/cis525/js/f00/artan/functionpoints.htm -->
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<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<meta name="keywords" content="software engineering, metrics, function points">
<meta name="descriptin" content="Function-oriented software metrics use function points as a measure of
the functionality delivered by the aplication">
<title>Calculating function points</title>

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function clearStatus() { status = ""; }
function promptInputs() { status = "Number of User Inputs"; }
function promptOutputs() { status = "Number of User Outputs"; }
function promptInquiries() { status = "Number of User Inquiries"; }
function promptFiles() { status = "Number of Files"; }
function promptInterfaces() { status = "Number of External Interfaces"; }

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// 3) Rating for each factor should be in a range from 0 to 5.
// If any of the tests fails, calculation is canceled.

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  } //if
// Check if the rating for each factor is in the range from 0 to 5
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} //checkDataEntry

function calculate() {
// If data entry looks OK, calculate form.
    var countTotal = 0, factorTotal = 0;

	// calculate countTotal
    if (mainForm.userInputsWeight[0].checked) mainForm.T1.value = 3 * mainForm.userInputs.value ;
    if (mainForm.userInputsWeight[1].checked) mainForm.T1.value = 4 * mainForm.userInputs.value ;
    if (mainForm.userInputsWeight[2].checked) mainForm.T1.value = 6 * mainForm.userInputs.value ;
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    for (var i=0; i<14; i++) factorTotal = factorTotal + parseInt(mainForm.F1[i].value);

	// calculate the final result
    mainForm.Result.value = parseInt(countTotal * (0.65 + 0.01 * factorTotal)) + " FP";
} // calculate
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function generateInfo(mode)
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} // generateInfo

</script>
</head>

<body>

<p align="center"><b><font size="5"><u><i>FUNCTION - ORIENTED METRICS</i></u></font></b>
</p><p><b><i>Function points </i></b> <a href="http://ata.cs.hun.edu.tr/~sencer/reference.html">[Albrecht
1979]</a>  are basic data from which productivity metrics could be computed.<br>
FP data is used in two ways:</p>
<ul>
  <li>as an estimation variable that is used to "size" each element of
    the software,
  </li><li>as baseline metrics collected from past projects and used in conjunction
    with estimation variables to develop cost and effort projections.</li>
</ul>
<p>&nbsp;</p>

<form name="mainForm">
&nbsp;
<table border="0" width="87%" cellpadding="2" cellspacing="3" height="204">
  <tbody><tr>
    <td width="25%" height="21" align="left"></td>
    <td width="21%" height="21"></td>
    <td width="51%" align="center" height="21" colspan="3"><font size="4"><b>Weighting
      Factor</b></font></td>
    <td width="52%" height="21" align="right"></td>
  </tr>
  <tr>
    <td width="25%" height="21" align="left"><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
      Measurement Parameter</b></td>
    <td width="21%" height="21"><b>Count</b></td>
    <td width="11%" align="center" height="21"><b>Simple</b></td>
    <td width="11%" align="center" height="21"><b>Average</b></td>
    <td width="11%" align="center" height="21"><b>Complex</b></td>
    <td width="52%" height="21" align="right"></td>
  </tr>
  <tr>
    <td width="25%" height="27" align="left"><input type="button" value="  Number of User Inputs " onclick="generateInfo(1)"></td>
    <td width="21%" height="27"><input type="text" name="userInputs" onfocus="promptInputs()" onblur="clearStatus()" size="6" value="0">
      x  </td>
    <td width="11%" align="center" height="27"><input type="radio" value="3" name="userInputsWeight">3</td>
    <td width="11%" align="center" height="27"><input type="radio" value="4" name="userInputsWeight" checked="">
      4</td>
    <td width="11%" align="center" height="27"><input type="radio" value="6" name="userInputsWeight">
      6</td>
    <td width="52%" height="27" align="right">= <input name="T1" disabled="" size="6" value="0">  </td>
  </tr>
  <tr>
    <td width="25%" height="27" align="left"><input type="button" value="  Number of User Outputs " onclick="generateInfo(2)"></td>
    <td width="21%" height="27"><input type="text" name="userOutputs" onfocus="promptOutputs()" onblur="clearStatus()" size="6" value="0">
      x  </td>
    <td width="11%" align="center" height="27"><input type="radio" value="4" name="userOutputsWeight">4</td>
    <td width="11%" align="center" height="27"><input type="radio" value="5" name="userOutputsWeight" checked="">
      5</td>
    <td width="11%" align="center" height="27"><input type="radio" value="7" name="userOutputsWeight">
      7</td>
    <td width="52%" height="27" align="right">= <input name="T2" disabled="" size="6" value="0">  </td>
  </tr>
  <tr>
    <td width="25%" height="27" align="left"><input type="button" value=" Number of User Inquiries " onclick="generateInfo(3)"></td>
    <td width="21%" height="27"><input type="text" name="userInquiries" onfocus="promptInquiries()" onblur="clearStatus()" size="6" value="0">
      x  </td>
    <td width="11%" align="center" height="27"><input type="radio" value="3" name="userInquiriesWeight">3</td>
    <td width="11%" align="center" height="27"><input type="radio" value="4" name="userInquiriesWeight" checked="">
      4</td>
    <td width="11%" align="center" height="27"><input type="radio" value="6" name="userInquiriesWeight">
      6</td>
    <td width="52%" height="27" align="right">= <input name="T3" disabled="" size="6" value="0">  </td>
  </tr>
  <tr>
    <td width="25%" height="27" align="left"><input type="button" value="     Number of Files " onclick="generateInfo(4)"></td>
    <td width="21%" height="27"><input type="text" name="numberFiles" onfocus="promptFiles()" onblur="clearStatus()" size="6" value="0">
      x  </td>
    <td width="11%" align="center" height="27"><input type="radio" value="7" name="numberFilesWeight">7</td>
    <td width="11%" align="center" height="27"><input type="radio" value="10" name="numberFilesWeight" checked="">10</td>
    <td width="11%" align="center" height="27"><input type="radio" value="15" name="numberFilesWeight">15</td>
    <td width="52%" height="27" align="right">= <input name="T4" disabled="" size="6" value="0">  </td>
  </tr>
  <tr>
    <td width="25%" height="27" align="left"><input type="button" value="Number of External Interfaces " onclick="generateInfo(5)"></td>
    <td width="21%" height="27"><input type="text" name="externalInterfaces" onfocus="promptInterfaces()" onblur="clearStatus()" size="6" value="0">
      x  </td>
    <td width="11%" align="center" height="27"><input type="radio" value="5" name="externalInterfacesWeight">5</td>
    <td width="11%" align="center" height="27"><input type="radio" value="7" name="externalInterfacesWeight" checked="">
      7</td>
    <td width="11%" align="center" height="27"><input type="radio" value="10" name="externalInterfacesWeight">10</td>
    <td width="52%" height="27" align="right">= <input name="T5" disabled="" size="6" value="0">  </td>
  </tr>
  <tr>
    <td width="159%" height="27" align="left" colspan="6">&nbsp;<font size="4">
      Count = Total&nbsp;&nbsp;
      ---------------------------------------------------------------------------------------&nbsp;&nbsp;&nbsp;
      </font><input name="Total" disabled="" size="8" value="0">  </td>
  </tr>
</tbody></table>

<p><i><u>Note</u></i>. By clicking on the buttons above more information about the
measurement parameters will be available.</p>

<p>Rate each factor (Fi, i=1 to14) on a scale of 0 to 5:<img border="0" src="images/scale.gif" width="807" height="116"></p>
&nbsp;
<table border="0" width="87%">
  <tbody><tr>
    <td width="89%">F1.&nbsp;&nbsp; Does the system require reliable backup and
      recovery?</td>
    <td width="11%" align="right"><input name="F1" size="1" value="0">  </td>
  </tr>
  <tr>
    <td width="89%">F2.&nbsp;&nbsp; Are data communications required?</td>
    <td width="11%" align="right"><input name="F1" size="1" value="0">  </td>
  </tr>
  <tr>
    <td width="89%">F3.&nbsp;&nbsp; Are there distributed processing functions?</td>
    <td width="11%" align="right"><input name="F1" size="1" value="0">  </td>
  </tr>
  <tr>
    <td width="89%">F4.&nbsp;&nbsp; Is performance critical?</td>
    <td width="11%" align="right"><input name="F1" size="1" value="0">  </td>
  </tr>
  <tr>
    <td width="89%">F5.&nbsp;&nbsp; Will the system run in a existing, heavily utilized
      operational environment?</td>
    <td width="11%" align="right"><input name="F1" size="1" value="0">  </td>
  </tr>
  <tr>
    <td width="89%">F6.&nbsp;&nbsp; Does the system require on-line data entry?</td>
    <td width="11%" align="right"><input name="F1" size="1" value="0">  </td>
  </tr>
  <tr>
    <td width="89%">F7.&nbsp;&nbsp; Does the on-line data entry require the input
      transaction to be built over multiple screens or operations?</td>
    <td width="11%" align="right"><input name="F1" size="1" value="0">  </td>
  </tr>
  <tr>
    <td width="89%">F8.&nbsp;&nbsp; Are the master files updated on-line?</td>
    <td width="11%" align="right"><input name="F1" size="1" value="0">  </td>
  </tr>
  <tr>
    <td width="89%">F9.&nbsp; Are the inputs, outputs, files or inquiries
      complex?</td>
    <td width="11%" align="right"><input name="F1" size="1" value="0">  </td>
  </tr>
  <tr>
    <td width="89%">F10. Is the internal processing complex?</td>
    <td width="11%" align="right"><input name="F1" size="1" value="0">  </td>
  </tr>
  <tr>
    <td width="89%">F11. Is the code designed to be reusable?</td>
    <td width="11%" align="right"><input name="F1" size="1" value="0">  </td>
  </tr>
  <tr>
    <td width="89%">F12. Are conversion and installation included in the design?</td>
    <td width="11%" align="right"><input name="F1" size="1" value="0">  </td>
  </tr>
  <tr>
    <td width="89%">F13. Is the system designed for multiple installations in
      different organizations?</td>
    <td width="11%" align="right"><input name="F1" size="1" value="0">  </td>
  </tr>
  <tr>
    <td width="89%">F14. Is the application designed to facilitate change and
      ease of use by the user?</td>
    <td width="11%" align="right"><input name="F1" size="1" value="0">  </td>
  </tr>
</tbody></table>
&nbsp;
<p><input type="button" value="Calculate" name="B1" onclick="checkDataEntry(); calculate()">
     <input type="reset" value="Reset" name="B2"></p>
<p><i><u><font size="4"><b>Result</b>.</font></u></i>&nbsp; According to the input your project has:&nbsp;
<input type="text" name="Result" disabled="" size="10" style="font-weight: bold; font-size: 14pt; font-family: Arial; border-style: inset">
</p>
</form>


</body></html>