How to download
https://github.com/haipz/gpa.calculator/archive/master.zip
How to install
Launch chrome and open the extension page, use your mouse dragging hdu.gpa.user.js into chrome, it will be install automatically.
How to use
When you visit site like http://jxgl.hdu.edu.cn/*, this extension will be active, and you can see 点击计算绩点 at the right top of the page.
First of all, click 信息查询 -> 成绩查询, chose the right 学年 and 学期. Then click 查询, the page will show you your achievement. Finally, click 点击计算绩点, the program will help you to calculate the GPA.
gpa.calculator
a gpa calculator extension for hdu base on chrome.
author Haipz site haipz.com