在数值计算中，一般的牛顿迭代法得到的数值具有截断误差，因此，用VB编写的可是实现任意精度的圆周率的计算程序-in numerical calculation, the general Newton iterative numerical method with the truncation error, therefore, prepared by the VB But to achieve any degree of accuracy the circumference of the rate calculation procedures
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002528s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.085979s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.004936s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002200s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002099s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003607s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001795s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003524s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014648s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002405s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 284594 [ RunTime:0.001130s ]
