<p>I'm new here so i don't know if this has bee answered before but can i get some info on the SAT_OS.</p>
<p>What is ■■■■■■ ?</p>
<p>■■■■■■ is a program used on your Ti84/Ti89 to help you on the SAT Math section.</p>
<p>It is copyrighted now, but will be released later this year (I think) as a commercial product so look out for it :)</p>