HP 35s HP 35s scientific calculator - User Guide - Page 137
Integrating Equations, Display, Description
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Example: Bessel Function. The Bessel function of the first kind of order 0 can be expressed as ∫ J0 (x ) = 1 π π cos(x sin t )dt 0 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: X Display: Description: Clears memory. Selects Equation mode. Types the equation. 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: 9 Selects Radians mode. Enters the limits of integration (lower limit first). Displays the function. Prompts for the variable of integration. Integrating Equations 8-3
Integrating Equations
8-3
Example:
Bessel Function.
The Bessel function of the first kind of order 0 can be expressed as
Find the Bessel function for
x–
values of 2 and 3.
Enter the expression that defines the integrand's function:
cos (
x
sin
t
)
Now integrate this function with respect to t from zero to
π
;
x
= 2.
Keys:
Display:
Description:
(
)
Ö
(
)
Clears memory.
Selects Equation mode.
X
Types the equation.
ÕÕ
_
Terminates the expression and
displays its left end.
Checksum and length.
Leaves Equation mode.
Keys:
Display:
Description:
9
(
)
Selects Radians mode.
Enters the limits of integration
(lower limit first).
Displays the function.
∫
_
Prompts for the variable of
integration.
∫
=
π
π
dt
t
x
x
J
0
0
)
sin
cos(
1
)
(