[求助]About GDA!!!!

水印

<P>I know GDA is Grade Point Average,when i check university website they will have a requriment in order to enter that University.they normaly ask for GDA 4.5, what does that equals to singapore's grade????</P>
<P><b><FONT style="BACKGROUND-COLOR: #eeeeee" color=#0997f7>I don't know how to caculate........</FONT></b></P>