HP (Hewlett-Packard) 32SII Calculator User Manual


 
Mathematics Programs 15–25
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
Program Lines: Description

-+.
b
2
= a
2
.

!

Stores b
2
.



a
3
.

º

a
3
a
1
.



º

4a
0
.

.
b
1
= a
3
a
1
– 4a
0
.

!

Stores b
1
.


To enter lines D21 and D22


Press 4
{
3.


%

ª



-
Creates 7.004 as a pointer to the cubic coefficients.

%
Solves for real root and puts a
0
and a
1
for
second–order polynomial on stack.

Discards polynomial function value.

%

Solves for remaining roots of cubic and stores roots.


%
Gets real root of cubic.

!

Stores real root.

 @

Complex roots
?

!

Calculate four roots of remaining fourth–order
polynomial.



If not complex roots, determine largest real root (y
0
)

º6¸@

º65¸




º6¸@

º65¸

!

Stores largest real root of cubic.
Checksum and length: C333 060.0



Starts fourth–order solution routine.



!ª

J = a
3
/2