This study guide prepares a student to take the mathematics section of the new GED test. It contains special sections on the gridded questions and the use of the calculator. Content Reviewed • Fractions • Decimals • Percents • Number Relations • Geometry • Algebra • Coordinate Geometry • Graphs & Charts • How to Answer Grid Questions • How to Use the Calculator Comex Systems, Inc. has over 30 years experience preparing people to take and pass the GED test.