Casio FX-7400G User Manual page 56

• You will not be able to store the expression in an area that already contains a
parametric function. Select another area to store your expression or delete the
existing parametric function first. This also applies when storing inequalities.
u u u u u To store a parametric function
Example To store the following functions in memory areas Xt2 and Yt2:
x
= 3 sin T
y
= 3 cos T
[2(Parm)
(Specifies parametric expression.)
dsTw
(Inputs and stores
dcTw
(Inputs and stores
• You will not be able to store the expression in an area that already contains a
rectangular coordinate expression or inequality. Select another area to store your
expression or delete the existing expression first.
u u u u u To store an inequality
Example To store the following inequality in memory area Y3:
y x 2
> – 2
[[1(Y>)
(Specifies an inequality.)
Tx-cT-g
(Inputs expression.)
w
(Stores expression.)
x
expression.)
y
expression.)
x
– 6
Graphing Chapter 4
53