Help! On creating a scientific calculator using HTML and Javascript!?

E

Elizabeth

New member
i am creating a scientific calculator using these 2 programs. my problem is that i dont know how to start can anybody this is what I have so far, I want to add sin cos and tan.. and whatever that makes it look more scientific and colorful.
thank you soo much!


html>
<head>

</head>
<form name=calc>
<table border= 3>
<tr><td colspan=3 width=75%><input name="wtcalc" type="text"></td><td width=25%><input type="button" onClick="document.calc.wtcalc.value=''" value="C" name="C" title="C"></td></tr>
<tr>
<td width=25%><input type="button" onClick="document.calc.wtcalc.value+='1'" value="1" name="1" title="1" ></td>
<td width=25%><input type="button" onClick="document.calc.wtcalc.value+='2'" value="2" name="2" title="2" ></td>
<td width=25%><input type="button" onClick="document.calc.wtcalc.value+='3'" value="3" name="3" title="3" ></td>
<td width="25%"><input type="button" onClick="document.calc.wtcalc.value+='+'" value="+" name="+" title="+" ></td>
</tr>
<tr>
<td width=25%><input type="button" onClick="document.calc.wtcalc.value+='4'" value="4" name="4" title="4" ></td>
<td width=25%><input type="button" onClick="document.calc.wtcalc.value+='5'" value="5" name="5" title="5" ></td>
<td width=25%><input type="button" onClick="document.calc.wtcalc.value+='6'" value="6" name="6" title="6" ></td>
<td width="25%"><input type="button" onClick="document.calc.wtcalc.value+='-'" value="-" name="-" title="-" ></td>
</tr>
</tr>
<tr>
<td width=25%><input type="button" onClick="document.calc.wtcalc.value+='7'" value="7" name="7" title="7" ></td>
<td width=25%><input type="button" onClick="document.calc.wtcalc.value+='8'" value="8" name="8" title="8" ></td>
<td width=25%><input type="button" onClick="document.calc.wtcalc.value+='9'" value="9" name="9" title="6" ></td>
<td width="25%"><input type="button" onClick="document.calc.wtcalc.value+='*'" value="*" name="*" title="*" ></td>
</tr>
</tr>
<tr>
<td width="25%"><input type="button" onClick="document.calc.wtcalc.value+='.'" value="." name="." title="." ></td>
<td width="25%"><input type="button" onClick="document.calc.wtcalc.value+='0'" value="0" name="0" title="0" ></td>
<td width="25%"><input type="button" onClick="document.calc.wtcalc.value=eval(calc.wtcalc.value);" value="="></td>
<td width="25%"><input type="button" onClick="document.calc.wtcalc.value+='/'" value="/" name="/" title="/" ></td>
</tr>

</table>
</form>
<body>

</body>


</html>
 
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