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134
8 - 3 Graph Function Operations
uu
uu
uTo store an X = constant expression
Example To store the following expression in memory area X4 :
X = 3
3(TYPE)4(X = c)
(Specifies X = constant expression.)
d
(Inputs expression.)
w
(Stores expression.)
• Inputting X, Y, T, r, or
θ
for the constant in the above procedures causes an error
(Syn ERROR).
uu
uu
uTo store an inequality
Example To store the following inequality in memory area Y5 :
y > x
2
– 2x – 6
3(TYPE)6(g)1(Y>)
(Specifies an inequality.)
vx-cv-g
(Inputs expression.)
w
(Stores expression.)
kk
kk
k Editing Functions in Memory
uu
uu
uTo edit a function in memory
Example To change the expression in memory area Y1 from y = 2x
2
– 5
to y = 2x
2
– 3
e
(Displays cursor.)
eeeed
(Changes contents.)
w
(Stores new graph function.)
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