An NCEES-approved calculator: Hewlett Packard: HP 33s and HP 35s models, but no others. Casio: All fx-115 and fx-991 models. Any Casio calculator must contain fx-115 or fx-991 in its model name. Texas Instruments: All TI-30X and TI-36X models. Any Texas Instruments calculator must ...
NCEES announces 2010 approved calculator listHP s