HP 33s - Manual (Page 273)

Statistics Programs 16–13
Program Lines:
(In RPN mode)
Description
!
!- % Adds the correction to yield a new X
guess
.
!
!
)
!
º6¸@ Tests to see if the correction is significant.
!
! ! Goes back to start of loop if correction is significant.
Continues if correction is not significant.
!
%
!
#$ % Displays the calculated value of X.
!
! Loops to calculate another X.
Checksum and length: 0E12 63
This subroutine calculates the upper–tail area Q(x).
Recalls the lower limit of integration.
% Recalls the upper limit of integration.
/ Selects the function defined by LBL F for integration.
³ G Integrates the normal function using the dummy variable
D
.
π
º
º
º Calculates S × π
2 .
! ! Stores result temporarily for inverse routine.
ª
-+.
)
- Adds half the area under the curve since we integrated
using the mean as the lower limit.
! Returns to the calling routine.
Checksum and length: FA83 72
This subroutine calculates the integrand for the normal
function
2 ) ) (( 2 ч ч − − S M X e
.