CASIO - The Practical Guide to Calculator Programming
Amazon.com: Python for Casio Calculators: Powerful Python programs and games for the Casio fx-CG50 and fx-9750GIII calculators (Practical and Fun Python Programming for Calculators): 9798434903240: Craig, John Clark: Books
MyCalcDB : Calculator Casio fx-180PV aka PROGRAM FX / SUPER-FX
Programming scientific calculator casio fx 991ms with any formulas for easy and fast calculation - YouTube