fx-9860GII
MIN
On a Casio calculator you can calculate the minimum value of a graph
G-Solv MIN SHIFT F5 F3
The GRAPH mode must be active and the graph must be on the display.
Example 1
Select the function y = x2 + 2x −15 and draw it
Graph Func :Y=
Y1=X²+2X-15 [■■■■■■]
DRAW MENU 5 F6
which gives the graph
To calculate the minimum value press
G-Solv MIN SHIFT F5 F3
The minimum point (x = −1, y = −16) is indicated by the cursor shape ✜ on the screen.
Press EXIT to close the graph.