This document provides tips and strategies for using calculators effectively on the SAT and ACT from experts at Sky Hawks Academy. It recommends bringing a calculator, especially a scientific calculator with an entry line, being very familiar with the calculator through practice, double checking calculations on the entry line, and knowing when it is better not to use a calculator for certain problems that require more conceptual understanding than computation. The overall message is that while calculators can be helpful if used properly, they cannot replace understanding the problems, and using one incorrectly could negatively impact your score.