預計
節省時間
原始碼(preset.html)
<html>
<head>
<style>
</style>
<script>
</script>
</head>
<body>
<input type="textarea" id="scr">
<input type="button" value="(" >
<input type="button" value=")" >
<input type="button" value="%" >
<input type="button" value="C" >
<input type="button" value="7" >
<input type="button" value="8" >
<input type="button" value="9" >
<input type="button" value="/" >
<input type="button" value="4" >
<input type="button" value="5" >
<input type="button" value="6" >
<input type="button" value="*" >
<input type="button" value="1" >
<input type="button" value="2" >
<input type="button" value="3" >
<input type="button" value="-" >
<input type="button" value="0" >
<input type="button" value="." >
<input type="button" value="=" >
<input type="button" value="+" >
</body>
</html>(0.2).toString(2)
console.log(9/100*9)