a calculator design,Android手机应用App，实现普通计算功能。实现了计算的加减乘除，能够有效计算出结果。
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CalculatorDemo test src res libs gen bin assets .classpath .hg 00changelog.i .hgignore .project AndroidManifest.xml hs_err_pid4144.log ic_launcher-web.png proguard-project.txt project.properties .hg
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002029s ]
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:0.086967s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002293s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001942s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002032s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003618s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.001866s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003258s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014990s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002441s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 83475 [ RunTime:0.001236s ]
