標籤：style class blog c code java
----- 016-math.php -----
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta http-equiv="content-type" content="text/html; charset=utf-8"> 5 <title>數學函數測試</title> 6 </head> 7 <body> 8 <h3>數學函數測試</h3> 9 <pre>10 <?php11 echo "-2.7的絕對值：", abs(-2.7), "\n";12 echo "2.4取FLOOR：", floor(2.4), "\n";13 echo "2.4取ROUND：", round(2.4), "\n";14 echo "2.4取CEIL：", ceil(2.4), "\n";15 echo "1023換二進位：", decbin(1023), "\n";16 echo "1和0.9哪個大：", max(1, 0.9), "\n";17 echo "2的30次方：", pow(2, 30), "\n";18 echo "1到2隨機數10次：\n";19 for($i=0; $i<10; $i++)20 echo rand(1, 2), "\t\n";21 echo "取2的開方：", sqrt(2), "\n";22 ?>23 </pre>24 </body>25 </html>
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