HP 32SII - Manual (Page 252)

15–26 Mathematics Programs
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
Program Lines: Description

 ! ª  K = y
0
/2

 


% 

+º Creates 10 –9 as a lower bound for M 2

  K

º K 2 .

.  M 2 = K 2 –a
0
.
 º6¸@
 º If M 2 < 10 –9 , use 0 for M 2 .
 ! M =
0
2 a K −
 !  Stores M.
   J.
 º  JK.

  a
1
.
 
 ª a
1
/2

. JK – a
1
/2.
 º/
@
  Use 1 if JK – a
1
/2 = 0
 !  Stores 1 or JK – a
1
/2.
  
 ! ª  Calculates sign of C.
   J.

º   J 2
 .  J 2 -– a
2
.
 - 

-  J 2 -– a
2
+y
0
.
 ! C =
0 2
2 y a J + − .
 ! º  Stores C with proper sign.
   J.
 -  J + L.
   K.
 -  K + M.

% ! Calculate and display two roots of the fourth–order