These calculators are allowed by the NCEES, who administer of the Fundamentals of Engineering (FE) exam, sometimes referred to or previously referred to as the Engineer-In-Training (EIT) license exam. They are listed on the NCEES Calcuator policy page as well.
All TI-30X and TI-36X models (Any Texas Instruments calculator must have “TI-30X” or “TI-36X” in its model name.) These TI calcuators will be familiar for those who have used TI-83s, TI-89s, etc.
All fx-115 and fx-991 models (Any Casio calculator must have “fx-115” or “fx-991” in its model name.)
Review the tips below, and you'll be set for FE exam day.
clear, undo, redo
probability and statistics
time value of money, interest, deprecation
linear systems of equations
numerically solving derivatives and integrals