📄 5-5.htm
字号:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>数学相关函数</title>
</head>
<body>
<h1 align="center">数学相关函数</h1>
<script language="VBScript">
<!--
n=5
document.write "数值计算函数<br>"
m=sqr(int(abs(n*sin(30))))
document.write "m = sqr(int(abs(n*sin(30)))) "&"<br>"
//代入数值
document.write "m = sqr(int(abs(5*(-0.998)))) "&"<br>"
//abs(-4.94)取绝对值
document.write "m = sqr(int(abs(-4.94))) "&"<br>"
//int(4.94)取整
document.write "m = sqr(int(4.94)) "&"<br>"
//sqr(4) 开平方
document.write "m = sqr(4) "&"<br>"
//计算结果
document.write "m = 2 "&"<br>"
document.write "<br>"
document.write "随机数函数<br>"
//初始化随机数函数，使每一次访问此页的随机值不同
randomize
//随机函数，取0--1之间的值
document.write "随机：Rnd() = "&Rnd()&"<br>"
//得到的数值可能是四位也可能是三位或者二位、一位
document.write "随机取10000以内的数：int(10000*Rnd()) = "&int(10000*Rnd())&"<br>"
//得到的数值只能是四位
document.write "随机取四位数：int(9999*Rnd()+1000) = "&int(8999*Rnd()+1000)&"<br>"
document.write "<br>"
document.write "四舍五入函数 pi = 3.74499 <br>"
pi = 3.74499
//小数第四位，四舍五入
document.write "保留三位小数：Round(pi,3) = "&Round(pi,3)&"<br>"
//小数第三位，四舍五入
document.write "保留二位小数：Round(pi,2) = "&Round(pi,2)&"<br>"
//小数第一位，四舍五入
document.write "不保留小数：Round(pi,0) = "&Round(pi,0)&"<br>"
document.write "<br>"
document.write "取整四舍五入<br>"
//int(2.6+0.5)=Round(2.6,0)
document.write "取整四舍五入：int(2.6+0.5) = "&int(2.6+0.5) &"<br>"
//cint(2.6)=Round(2.6,0)
document.write "取整四舍五入：cint(2.6) = "&cint(2.6)&"<br>"
//cint对0.5四舍五入时，总是把将其四舍五入到最近的一个偶数
document.write "取整四舍五入：cint(2.5) = "&cint(2.5)&"<br>"
document.write "取整四舍五入：cint(3.5) = "&cint(3.5)&"<br>"
-->
</script>
</body>
</html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -