# SAT calculator program

An

**SAT calculator program**is a software application that resides on acalculator which is used in helping to answer Scholastic Aptitude Test (SAT) questions. The programs themselves are different from SAT preparation books and classes in that they are actually used during the SAT test, and contain programs to answer questions with common SAT math formulas or simply answer common SAT questions.**History**The first person known to create such a program was Greg Myers of

Princeton, NJ . Myers saw the opportunity to create SAT calculator programs while noticing that many SAT review books simply give the reader many formulas to memorize. Myers and his brother, Doug, landed on the front page of the "Circuits" section of the "New York Times ".**Current state of SAT programs**While the programs began as a way to simply

hard code formulas into thecalculator , they quickly evolved into more than that. Today, SAT calculator programs can be used not only to solve many SAT problems which require common formulas, but also to solve problems such assimultaneous equation s, or to check the answers of a variable simplification problem. In fact, the actual programs created by Myers can be found online, but there are also some similar programs which claim similar functionality. One such example is a software program titled "SAT_OS," which stands for SAT Operating System.**AT Operating System**The "SAT Operating System ("SAT_OS")" is a software program (Operating System) designed for use on the Scholastic Aptitude Test (SAT), specifically, the Mathematics subsection. It was originally created with the intention of enabling one to rapidly calculate answers to most questions on the "New SAT" Math subsection. It was designed using the calculator-based programming language TI-BASIC. It is compatible with the TI-83+, TI-83+ Silver Edition, TI-84+ Silver Edition, TI-89, and TI-89 Titanium graphing calculators.

**Description**The SAT Operating System was written and released into the public domain in March 2005 by "Steve S" in time for the very first version of the "New SAT." The new SAT ushered in new types of mathematics problems, while others were discarded. "SAT_OS" incorporates almost all of the most recent mathematical equations, problems solving functions, and tools into a user-friendly Graphical User Interface (GUI). So far there have been two unique versions of the SAT Operating System: one for the TI-89/Titanium graphing calculators and one for the TI-83+/84+/Silver Edition(s) graphing calculators. One can download the TI-89 Version [

*http://www.ticalc.org/archives/files/fileinfo/364/36478.html here*] . The TI-83+ Family version is available [*http://www.ticalc.org/archives/files/fileinfo/366/36668.html here*] . In addition, there is a visual installation guide located [*http://www.pdrt.org/satos.htm at this location*] .**TI-89 Version Screenshots****TI-83+ Family Version Screenshots****External links*** [

*http://www.total-ti89.com Tout pour la Ti89*]

* [*http://www.collegeboard.com/student/testing/sat/testday/calc.html SAT policy on calculator usage*]

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