Tips and hidden functions of the Casio fx-991EX
Videos and guides
6 Things students forget they can do
Solve function (0:43)
Conversion (4:40)
Equation of line given two points (6:00)
Factorise polynomial (7:57)
Table function (10:00)
Abs function for modulus functions (13:00)
Video explaining the basic function you should know, using the AQA document but also relevant to Edexcel.
Quadratic equations, vertices (2:03)
Quadratic inequalities, simultaneous equations (4:34)
(FM ONLY) Scalar product of vectors (6:21)
Newton-Ralpson Method (7:12)
Statistical Distributions (7:40)
Summary statistics (8:39)
Calculus (9:17)
This tells you pretty much what each button does!