Belajar-Digital: Code program Kalkulator Sederhana

berikut script

<HTML>
<HEAD>
 <meta charset="utf-8">
 <STYLE>
 .KALK{MARGIN:0 40%;}
 .KALK .BUTT{MARGIN:2PX;WIDTH:48PX;HEIGHT:25PX;FONT-WEIGHT:BOLD;}
 </STYLE>
 </HEAD>
<BODY>
<FORM NAME="KAL" class="KALK">
 <TABLE BORDER=1; WIDTH=230; HEIGHT=150; STYLE="BACKGROUND:#999;">
 <TR>
 <TD HEIGHT=30; STYLE="BACKGROUND:#555;">
 <INPUT TYPE="text" NAME="Input" Size="23"> <SPAN STYLE="COLOR:#FFF">&nbsp;<I>KARJO</I></SPAN>
 <br>
 </TD>
 </TR>
 <TR>
 <TD>
 <INPUT CLASS="BUTT" TYPE="button" NAME="seven" VALUE=" 7 " OnClick="KAL.Input.value += '7'">
 <INPUT CLASS="BUTT" TYPE="button" NAME="eight" VALUE=" 8 " OnCLick="KAL.Input.value += '8'">
 <INPUT CLASS="BUTT" TYPE="button" NAME="nine" VALUE=" 9 " OnClick="KAL.Input.value += '9'">
 <INPUT CLASS="BUTT" TYPE="button" NAME="plus" VALUE=" + " OnClick="KAL.Input.value += ' + '">
 <br>
 <INPUT CLASS="BUTT" TYPE="button" NAME="four" VALUE=" 4 " OnClick="KAL.Input.value += '4'">
 <INPUT CLASS="BUTT" TYPE="button" NAME="five" VALUE=" 5 " OnCLick="KAL.Input.value += '5'">
 <INPUT CLASS="BUTT" TYPE="button" NAME="six" VALUE=" 6 " OnClick="KAL.Input.value += '6'">
 <INPUT CLASS="BUTT" TYPE="button" NAME="minus" VALUE=" - " OnClick="KAL.Input.value += ' - '">
 <br>
 <INPUT CLASS="BUTT" TYPE="button" NAME="one" VALUE=" 1 " OnClick="KAL.Input.value += '1'">
 <INPUT CLASS="BUTT" TYPE="button" NAME="two" VALUE=" 2 " OnCLick="KAL.Input.value += '2'">
 <INPUT CLASS="BUTT" TYPE="button" NAME="three" VALUE=" 3 " OnClick="KAL.Input.value += '3'">
 <INPUT CLASS="BUTT" TYPE="button" NAME="times" VALUE=" x " OnClick="KAL.Input.value += ' * '">
 <br>
 <INPUT CLASS="BUTT" TYPE="button" NAME="clear" VALUE=" C " OnClick="KAL.Input.value = ''">
 <INPUT CLASS="BUTT" TYPE="button" NAME="zero" VALUE=" 0 " OnClick="KAL.Input.value += '0'">
 <INPUT CLASS="BUTT" TYPE="button" NAME="DoIt" VALUE=" = " OnClick="KAL.Input.value = eval(KAL.Input.value)">
 <INPUT CLASS="BUTT" TYPE="button" NAME="div" VALUE=" / " OnClick="KAL.Input.value += ' / '">
 <br>
 </TD>
 </TR>
 </TABLE>
</FORM>
</BODY>
</HTML>

untuk contoh kasus, kalkulator luas segitiga

<html>
<head>
<title>Menghitung Luas Segitiga</title>
<script type="text/javascript">

function hitungLuas(){
alas=document.getElementById("txtAlas").value;
tinggi=document.getElementById("txtTinggi").value;
Luas=1/2*alas*tinggi;
document.getElementById("txtLuas").value = Luas;
}
</script>
</head>
<body>
Menghitung Luas Segitiga<br />
Alas : <input id="txtAlas" name="txtAlas" type="text" /><br />
Tinggi : <input id="txtTinggi" name="txtTinggi" type="text" /><br />
<input id="btnHitung" onclick="hitungLuas();" type="button" value="Hitung Luas" /><br />
Luas : <input id="txtLuas" name="txtLuas" type="text" />
<body>
<html></html></body></body></html><br />
<br />

Belajar-Digital

Code program Kalkulator Sederhana

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