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<HTML><HEAD> <TITLE>BBS水木清华站∶精华区</TITLE></HEAD><BODY><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER>发信人: thinkin (强强), 信区: Linux <BR>标 题: calculator <BR>发信站: BBS 水木清华站 (Thu Feb 17 11:00:36 2000) <BR> <BR><form action=" <? echo $PHP_SELF ?>" method="post"> <BR>1st number:<input type=text name=num1><br> <BR>2nd number:<input type=text name=num2><br> <BR><p> <BR>What operation would you like to perform?<br> <BR><input type=radio name=operation value="plus" checked>Add<br> <BR><input type=radio name=operation value="minus">Subtract<br> <BR><input type=radio name=operation value="X">Multiply<br> <BR><input type=radio name=operation value="divided by">Divide<br> <BR><input type=submit><input type=reset> <BR></form> <BR></body> <BR></html> <BR>The answer to <? echo $num1;?> <?echo $operation;?> <? echo $num2;?> <BR> is:<br> <BR><h1> <BR><?php <BR>if ($operation == "plus") <BR>{$x = $num1 + $num2; <BR>print $x;} <BR>elseif ($operation == "minus") <BR>{$x = $num1 - $num2; <BR>print $x;} <BR>elseif ($operation == "X") <BR>{$x = $num1 * $num2; <BR>print $x;} <BR>else <BR>{$x = $num1 / $num2; <BR>print $x;} <BR>?> <BR></h1> <BR>-- <BR> <BR>人生到处知何似? <BR> 应似飞鸿踏雪泥。 <BR> 泥上偶然留指爪, <BR> 鸿飞那复计东西! <BR> <BR> <BR>※ 来源:·BBS 水木清华站 smth.org·[FROM: 162.105.37.191] <BR><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER></BODY></HTML>
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