<p>It’s certainly possible to do, but it’s very difficult especially because they now use the +/- system. So a 90% is an A- and therefore worth only 3.7 rather than 4.0.
<a href=“http://www.testudo.umd.edu/plusminusimplementation.html#4”>http://www.testudo.umd.edu/plusminusimplementation.html#4</a></p>