Formula Memory - Casio ALGEBRA FX 2.0 Function Manual

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}
•Kkey
x
• {∞}/{Abs}/{ !}/{sign} ... {infinity}/{absolute value}/{factorial}/{signum function*
• {HYP} ... {hyperbolic}/{inverse hyperbolic} functions
• {sinh}/{cosh}/{tanh}/{sinh
•Jkey
r t
• {Y}/{ }/{X }/{Y
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)aav(A)w
1 (real number, A > 0)
–1 (real number, A < 0)
1
* signum (A)
A
|A|
Undefined (A = 0)
Using the CAS (Computer Algebra System) Mode
–1
}/{cosh
t
}/{X} ... input of graph memory {Y}/{
(A= imaginary number)
7-1-3
–1 –1
}/{tanh }
r t t
}/{X }/{Y }/{X}
* 2 Use the approx command before inputting to
register a value to a general variable.
Example: approx 1 R A
19990401
1 }
2