Casio fx-CG10 Advanced Operation Manual page 44

Sample Solution—Douglas Fir Trees (continued)
To estimate the height of Douglas fir trees with circumferences of 2, 8, and 12
meters:
Press
options.
Press
the x-value, and the corresponding y-value will be calculated.
Repeat these steps to find the height of trees that have circumferences
of 8 and 12 meters.
Fostering Advanced Algebraic Thinking with Casio Technology
(G-Solv), the graph solver, then press
(Y-CAL) for y-calculate. Input
for more
for the circumference, or