xml/soap/webservice

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quadratic.xfdl：源码内容

							<?xml version="1.0"?>
<XFDL version="4.1.0">
  <page sid="QuadraticEquationSolver">
    <label>Quadratic Equation Form</label>
    <label sid="LABEL1">
     <value>Solve ax^2 + bx + c = 0</value>
     <fontinfo content="array">
       <ae>Times</ae> <ae>10</ae> <ae>italic</ae>
      </fontinfo>
    </label>
    <field sid="a">
      <label>Enter a: (coefficient of x^2)</label>
      <value>1</value>
    </field>
    <field sid="b">
      <label>Enter b: (coefficient of x^1)</label>
      <value>0</value>
    </field>
    <field sid="c">
      <label>Enter c: (coefficient of x^0)</label>
      <value>-1</value>
    </field>
    <field sid="x1">
      <label>Root 1</label>
      <editstate>readonly</editstate>
      <value content="compute">
        <compute>
          (-b.value 
           + sqrt(b.value*b.value - "4"*a.value*c.value))
          /"2"*a.value
        </compute>
      </value>
    </field>
    <field sid="x2">
      <label>Root 2</label>
      <editstate>readonly</editstate>
      <value content="compute">
        <compute>
          (-b.value 
           - sqrt(b.value*b.value - "4"*a.value*c.value))
          /"2"*a.value
        </compute>
      </value>
    </field>
  </page>
</XFDL>

						