陳姿穎期末考17+18週 JavaScript 金融計算

陳姿穎期末考

現值
利率
期數
金流
終值

對照EXCEL先打開從範圍定義名稱

對照EXCEL金融計算

程式碼

<style>

h1{border: 30px outset red;  

  background-color: green;  

  color: white;

  text-align: center;}

</style>

<h1>陳姿穎期末考</h1>

<table border="1">

<tbody>

<tr><td>現值</td><td><input id="p" type="number" /></td><td><input onclick="CompP()" type="button" value="計算現值" /></td><td id="p_" width="160"></td></tr>

<tr><td>利率</td><td><input id="y" type="number" value="0.001" /></td></tr>

<tr><td>期數</td><td><input id="n" type="number" value="240" /></td><td><input onclick="CompN()" type="button" value="計算期數" /></td><td id="n_" width="160"></td></tr>

<tr><td>金流</td><td><input id="m" type="number" value="0" /></td><td><input onclick="CompM()" type="button" value="計算金流" /></td><td id="m_"></td></tr>

<tr><td>終值</td><td><input id="f" type="number" value="0" /></td><td><input onclick="CompF()" type="button" value="計算終值" /></td><td id="f_"></td></tr>

</tbody></table>

<h1>對照EXCEL先打開從範圍定義名稱</h1>

<div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8vwTyo77Chcg-BGCiVOB6Af_FvDf0HNeWwkz5t7yHKdduZ8iwTQkOxbit74mkPhZ7bqCefNYw2BbFvXHgcIgX41QfT1s09ZZ6STtovYZOVzhLZkHGOnd_nUVvuQfZwt1dIX7RSxVPLYA/s766/1.PNG" style="display: block; padding: 1em 0px; text-align: center;"><img alt="" border="0" data-original-height="378" data-original-width="766" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh8vwTyo77Chcg-BGCiVOB6Af_FvDf0HNeWwkz5t7yHKdduZ8iwTQkOxbit74mkPhZ7bqCefNYw2BbFvXHgcIgX41QfT1s09ZZ6STtovYZOVzhLZkHGOnd_nUVvuQfZwt1dIX7RSxVPLYA/s600/1.PNG" width="600" /></a></div>

<h1>對照EXCEL金融計算</h1>

<div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGBGfwhlwttkozx6f7VUbtINhkvJEFGOhsN4OIt5k-MVV9SvEQz6msRxuTod1slJtkFxgwiaGgOsSMnGywWTU6AH31aobLNoUTFIsJadkjDp8N5sRRi0X0s82J6Iwv-a8Hak-MOKRaMSw/s1092/2.PNG" style="display: block; padding: 1em 0px; text-align: center;"><img alt="" border="0" data-original-height="385" data-original-width="1092" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGBGfwhlwttkozx6f7VUbtINhkvJEFGOhsN4OIt5k-MVV9SvEQz6msRxuTod1slJtkFxgwiaGgOsSMnGywWTU6AH31aobLNoUTFIsJadkjDp8N5sRRi0X0s82J6Iwv-a8Hak-MOKRaMSw/s600/2.PNG" width="600" /></a></div>

<script>

function CompF(){   

  var y = document.getElementById("y").value;

  var p = document.getElementById("p").value;

  var m = document.getElementById("m").value;

  var n = document.getElementById("n").value;

  var fvif = y;

  fvif++;

  pvif =1/fvif**n;

  var f =p*fvif-m/y*(fvif-1); 

  document.getElementById("f_").innerHTML = f.toFixed(6);

}  

function CompN(){   //計算期數 n

  var y = document.getElementById("y").value;

  var p = document.getElementById("p").value;

  var m = document.getElementById("m").value;

  var f = document.getElementById("f").value;

  var pvif = y;

  pvif++;

  var n = Math.log(( f-m/y)/( p-m/y))/Math.log(pvif); 

  document.getElementById("n_").innerHTML = n.toFixed(2);

}

function CompP(){  //計算現值 p

  var y = document.getElementById("y").value;

  var n = document.getElementById("n").value;

  var m = document.getElementById("m").value;

  var f = document.getElementById("f").value;

  var pvif = y;

  pvif++;

  pvif =1/pvif**n;

  var p = (1-pvif)*m/y + f * pvif; 

  document.getElementById("p_").innerHTML = p;

}

function CompM(){  //計算金流 m

  var y = document.getElementById("y").value;

  var n = document.getElementById("n").value;

  var p = document.getElementById("p").value;

  var f = document.getElementById("f").value;

  var pvif = y;   //pvif= 利率

  pvif++;       //pvif= 利率 + 1

  pvif =1/pvif**n; //pvif= 1/(利率+1)^n

  var m = y * ( p - f * pvif)/( 1 - pvif);

  document.getElementById("m_").innerHTML = m;

}

</script>