<p>You don’t have to input matrices through the data editor, rage_fan. Try entering them like this: [a,b;c,d].</p>
<p>But twilight, I wouldn’t reccomend using the 89 for IIc unless you’re very familiar with it by the time you take the test… There are some features that can make your life a lot easier, but there are also some features that can make life a lot harder for someone who’s used to an 83.</p>