Casio fx-9860GII Instruction Manual page 27

2. The sinusoidal equation from the last section is already
entered into the calculator.
3. Press q (SEL) to highlight the = on Y1. Then press
u (DRAW).
4. Press Ly
value of the graph.
5. Press Ly
value of the graph.
w
(G-Solv). Press (MAX) for the maximum
e
(G-Solv). Press (MIN) for the minimum