HP 33s User Manual
Page 125

Integrating
Equations
8–3
Find the Bessel function for x–values of 2 and 3.
Enter the expression that defines the integrand's function:
cos (x sin t )
Keys:
Display:
Description:
{ c
{}
{&}
Clears memory.
| H
Current equation or
! !
Selects Equation mode.
R L
X
1%¾
Types the equation.
z O
1%º 1¾
L
T
1%º 1!¾
| ` | `
1%º 1!22¾
1%º 1!22
Terminates the expression
and displays its left end.
|
/
/
Checksum and length.
Leaves Equation mode.
Now integrate this function with respect to t from zero to
π ; x = 2.
Keys:
Display:
Description:
{}
Selects Radians mode.
0
| N
)
Enters the limits of integration
(lower limit first).
| H
1%º 1!22
Displays the function.
|
³
G_
Prompts for the variable of
integration.
T
%@
value
Prompts for value of X.
2
g
!!
³
/
)
x
= 2. Starts integrating;
calculates result for
³
π
0
)
(t
f
| N q
)
The final result for J
0
(2).