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Using Integration in a Program
Integration can be executed from a program. Remember to include or prompt for
the limits of integration before executing the integration, and remember that
accuracy and execution time are controlled by the display format at the time the
program runs. The two integration instructions appear in the program as:
label
∫
variable
The programmed
since this might not be the significant output for your program (that is, you might
want to do further calculations with this number before displaying it). If you do
want this result displayed, add a PSE (
display the result in the X–register after the
∫
Example:
FN in a Program.
The "Normal and Inverse–Normal Distributions" program in chapter 16 includes
an integration of the equation of the normal density function
−
÷
e
2
((
D
M
)
S
)
The
prompt for the known values and do the other calculations to find Q(D), the
upper–tail area of a normal curve. The integration itself is set up and executed
from routine Q:
∫
14–10
Solving and Integrating Programs
File name 33s-E-Manual-1008-Publication(1st).doc
Printed Date : 2003/10/8
∫
FN instruction does not produce a labeled display (
1
D
∫
π
S
2
M
÷
2
function is calculated by the routine labeled F. Other routines
Recalls lower limit of integration.
Recalls upper limit of integration. (X = D.)
Specifies the function.
Integrates the normal function using the dummy variable D.
Size : 13.7 x 21.2 cm
º ¤
) or STOP (
∫
FN instruction.
−
D
M
2
/
−
(
)
2
S
e
dD
.
Page : 386
∫
= value)
¥
) instruction to
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