Casio ALGEBRA FX 2.0 PLUS Manual page 19

k k k k k About the Calc Window
Pressing u4(CAT/CAL) while a graph or number table is on the display opens the Calc
Window. You can use the Calc Window to perform calculations with values obtained from
graph analysis, or to change the value assigned to variable A in Y = AX and other
expressions and then redraw the graph.
Press i to close the Calc Window.
# After using the Calc Window to change the
value of a variable connected with a graph or
table, be sure to always execute Re-G (re-
graph) or Re-T (re-calculate table). Doing so
ensures that the displayed graph or table is
current.
# Calc Window cannot be used in the RUN
MAT Mode while a program is running, or in
combination with Dynamic Graph.
5-2-12
Controlling What Appears on a Graph Screen
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# Calc Window cannot be used in combination
with V-Window or the table range setting screen.
# Complex number calculations cannot be
performed on the Calc Window.