20010102
k
k
k
k
k
Manual Formula and Parameter Input
You can use the function menus,
K
key, and
J
key in combination to input formulas and
parameters as described below.
•
3
(EQUA)
b
(INEQUA)
• {
>
}
/
{
<
}
/
{
t
t
t
t
t
}
/
{
s
s
s
s
s
} ... {inequality}
•
K
key
• {
∞
}
/
{
Abs
}
/
{
x
!
}
/
{
sign
} ... {infinity}/{absolute value}/{factorial}/{signum function*
1
}
• {
HYP
} ... {hyperbolic}/{inverse hyperbolic} functions
•
{sinh}/{cosh
}
/
{
tanh
}
/
{
sinh
–1
}
/
{
cosh
–1
}
/
{
tanh
–1
}
•
J
key
• {
Yn
}
/
{
rn
}
/
{
Xtn
}
/
{
Ytn
}
/
{
Xn
}
... input of graph memory {Yn}/{rn}/{Xtn}/{Ytn}/{Xn}
k
Formula Memory
The CAS Mode has 28 formula variables. Variable names are the letters A through Z, plus
r
,
and
θ
. CAS Mode formula variables are independent of standard value variables.
○ ○ ○ ○ ○
Example
To assign a formula that differentiates sin(X) at X (cos(X)) to variable A
2
(CALC)
b
(diff)
sv
,
v
)
a
av
(A)
w
7-1-4
Using the CAS (Computer Algebra System) Mode
1 (real number,
A
> 0)
–1 (real number,
A
< 0)
*
1
signum
(
A
)
A
(
A
= imaginary number)
|
A
|
Undefined (
A
= 0)
20011101
Summary of Contents for ALGEBRA FX 2.0 Plus
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