GRE/GMAT Math: A Systematic Approach was devised by Sid Thatte. As we go through school we learn math formulas but not all of us use them every day. If we don’t use them we lose them and sometimes we just don’t understand them. Then it...

Sid Thatte’s Algebra begins by establishing arithmetic as the foundation for algebra through shared operational rules and categorizes numbers into real and imaginary types, explaining their properties and placements on the number line. The text elaborates on operations with signed numbers, order of operations, and...