i have to make a simple calculator for a science project i can make it add but not make it multiply i need help here is what i have so far
<HTML>
<HEAD>
<TITLE>Simple Adder</TITLE>
<SCRIPT LANGUAGE="JavaScript">
function CalculateSum(Atext, Btext, form)
{
var A = parseFloat(Atext);
var B = parseFloat(Btext);
form.Answer.value = A + B;
}
function ClearForm(form)
{
form.input_A.value = "";
form.input_B.value = "";
form.Answer.value = "";
}
function calculatex (Ctext, Dtext, form)
{
var C = parseFloat(Ctext);
var D = parseFloat(Dtext);
form.Answer.value = C * D;
}
function ClearForm(form)
{
form.input_C.value = "";
form.input_D.value = "";
form.Answer.value = "";
}
</SCRIPT>
</HEAD>
<BODY>
<P><FONT SIZE="+2">Simple Adder</FONT></P>
<FORM NAME="Calculator" METHOD="post">
<P>Enter a number: <INPUT TYPE=TEXT NAME="input_A""input_C"SIZE=10></P>
<P>Enter a number: <INPUT TYPE=TEXT NAME="input_B""input_D"SIZE=10></P>
<P><INPUT TYPE="button" VALUE="Add Numbers" name="AddButton" onClick="CalculateSum(this.form.input_A.value, this.form.input_B.value, this.form)"></P>
<p><INPUT TYPE="button" VALUE="multiply numbers" name="AddButton"onClick="calculatex(this.form.input_C.value, this.form.input_D value, this.form)"></P>
<P>Answer = <INPUT TYPE=TEXT NAME="Answer" SIZE=12></P>
</FORM>
</BODY>
</HTML>
<HTML>
<HEAD>
<TITLE>Simple Adder</TITLE>
<SCRIPT LANGUAGE="JavaScript">
function CalculateSum(Atext, Btext, form)
{
var A = parseFloat(Atext);
var B = parseFloat(Btext);
form.Answer.value = A + B;
}
function ClearForm(form)
{
form.input_A.value = "";
form.input_B.value = "";
form.Answer.value = "";
}
function calculatex (Ctext, Dtext, form)
{
var C = parseFloat(Ctext);
var D = parseFloat(Dtext);
form.Answer.value = C * D;
}
function ClearForm(form)
{
form.input_C.value = "";
form.input_D.value = "";
form.Answer.value = "";
}
</SCRIPT>
</HEAD>
<BODY>
<P><FONT SIZE="+2">Simple Adder</FONT></P>
<FORM NAME="Calculator" METHOD="post">
<P>Enter a number: <INPUT TYPE=TEXT NAME="input_A""input_C"SIZE=10></P>
<P>Enter a number: <INPUT TYPE=TEXT NAME="input_B""input_D"SIZE=10></P>
<P><INPUT TYPE="button" VALUE="Add Numbers" name="AddButton" onClick="CalculateSum(this.form.input_A.value, this.form.input_B.value, this.form)"></P>
<p><INPUT TYPE="button" VALUE="multiply numbers" name="AddButton"onClick="calculatex(this.form.input_C.value, this.form.input_D value, this.form)"></P>
<P>Answer = <INPUT TYPE=TEXT NAME="Answer" SIZE=12></P>
</FORM>
</BODY>
</HTML>