fx-9860GII
G-Solv
On a Casio calculator you can select graphic solve functions that provide a number of different methods for analyzing graphs
G·Solv SHIFT F5
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GRAPH
ROOT Calculation of root
MAX Maximum value
MIN Minimum value
Y·ICPT y-intercept
ISCT Intersect
Calculate the point of intersection of two graphs.
Y·CAL y-coordinate for a given x-coordinate
X·CAL x-coordinate for a given y-coordinate
∫dx Integral value for a given range
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STAT
P·CAL Calculate an estimated p-value for a specific x-value