反符号计算器!
http://ddrive.cs.dal.ca/~isc/standard.html 输入普通数字他反而不能显示…… 输入普通数字他反而不能显示……疯不狂 发表于 2011-1-25 13:21 http://www.cncalc.org/images/common/back.gif针对一些运算结果设计,不妨尝试3.141592653589793 和 0.1028 着东西不错,牛顿法硬算出来的解终于可以写到作业上了 类似于2D-Math,说不定2D-Math效率更高.
尤其是带上模糊算法后 是的,要是能移植到图形计算器上就好了。 很强大的算法啊!!恢复的效果真是………………………… 恢复效果确实不错!~ 为什么看不到源代码?网页上貌似没什么javascript 不错,强势收藏。 为什么看不到源代码?网页上貌似没什么javascript
zhj 发表于 2011-1-27 11:23 http://www.cncalc.org/images/common/back.gif
用这个http://www.linkwan.com/gb/broadmeter/tools/viewsource.htm
我看不太懂,不知道到底有没有价值 11# Cyvre
试了下
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8">
<title>Inverse Symbolic Calculator</title>
<script type="text/javascript" src="clean-all.js"></script>
<script type="text/javascript" charset="utf-8">
function get(url, consumer, progress_bar, cache){
var message = Clean.createSimpleMessage(url, consumer, error);
if(cache != null)
message.cache = cache;
if(progress_bar != null){
var progress = new EmbeddedProgressBar(document, progress_bar);
message.progressBar = progress;
}
Clean.doGet(message);
}
function send_request(){
var user_input = document.getElementById("user_input");
document.getElementById("results_go_here").innerHTML="<div id='load_text'>Chug chug chug...</div>"
get('submit_std.php?user_input='+ user_input.value.replace(/\+/g,"%2B") ,'results_go_here','progress');
}
function error(){
alert("Javascript decided there was an error.");
}
function try_it_out(num){
document.getElementById("user_input").value=num;
send_request();
}
function start(){
var number = gup('number');
if (number != "" ){
document.getElementById("user_input").value=number;
send_request();
}
}
function set_default(){
document.getElementById("results_go_here").innerHTML= " "
+"<p>Here are some fun numbers to try:</p>"
+"<p><b>5.85987448204884</b> <a onClick='try_it_out(5.85987448204884)'></a></p>"
+"<p><b>3.146264370</b> <a onClick='try_it_out(3.146264370)'></a></p>"
+"<p><b>19.999099979189475768</b> <a onClick='try_it_out(19.999099979189475768)'></a></p>";
}
function gup( name ){ // get url paras
name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
var regexS = "[\\?&]"+name+"=([^&#]*)";
var regex = new RegExp( regexS );
var results = regex.exec( window.location.href );
if( results == null )
return "";
else
return results;
}
</script>
<link rel="stylesheet" href="style.css" type="text/css" media="screen" title="stylesheet" charset="utf-8">
</head>
<body onLoad="set_default();start();"> <!--onLoad="clean_environment.debug = true;"-->
<div id="main2">
<div class="bgImg"></div>
<div id="main">
<div class="right bar">
<p>The ISC presently accepts either floating point expressions or correct Maple syntax as input.However, for Maple syntax requiring too long for evaluation, a timeout has been implemented.<p>
</div>
<div class="left bar">
<!--<p>The Inverse Symbolic Calculator, or ISC, is a tool that will try to detect a closed
form approximation of a decimal number. It is largely magical, and the inner workings
of it are known only to the most high of the math sages.</p>-->
<p>The Inverse Symbolic Calculator (ISC) uses a combination of lookup tables and integer relation algorithms in order to associate with a user-defined, truncated decimal expansion (represented as a floating point expression) a closed form representation for the real number.</p>
</div>
<div class="sponsor_div">
<img src="images/ddrive.png" class='sponsor' alt="ddrive" title="ddrive" />
<img src="images/nserc.png" class='sponsor' alt="nserc" title="nserc" />
<img src="images/maplesoft.png" class='sponsor' alt="maplesoft" title="maplesoft" />
</div>
<h1><a href='index.html'>Inverse Symbolic Calculator</a></h1>
<div id='form'>
<p id='invite'>Type in a number or Maple<sup>©</sup> expression.</p>
<form method="get" accept-charset="utf-8" id="isc" onSubmit="return false;">
<input type="text" name="user_input" value="" id="user_input" size="40">
<input type="button"
value="Inverse Calculate!"
onClick="send_request();">
</form>
</div>
<div id="progress_bar_spot"><img id="progress" src="images/gloos.gif" style="display:none" /></div>
<div id="results_go_here">
</div>
<div id="footer">
<img src="images/oldISC.gif" alt="Original ISC" title="Original ISC" /> <a href="The'>http://oldweb.cecm.sfu.ca/projects/ISC/ISCmain.html">The original ISC</a>
</div>
</div>
</div>
</body>
</html>
谁来解释下什么意思????
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