HP HP-32S - 6: Programming Techniques

This method involves rewriting a polynomial expression in a nested
fashion to eliminate exponents greater than 1:
Ax* + Bx3 + Cx2 + Dx + E
(Ax3 + Bx2 + Cx + D)x + £
((Ax2 + Bx + Qx + D)x + E
(((Ax + B)x + Qx + D)x + E
Example. Write a program for 5X4 + 2X3 as (((5x + 2)x)z)x, then
evaluate it for x = 7.
Keys:
Display:
Description:
HI PRGMI
Ml GTO | QQ]
PRGM TOP
P01 LBL P
P02 INPUT X
P03 ENTER
P04 ENTER
P05 ENTER
You can skip the 1 gto 1
if the display already
shows PRGM TOP.
• LBL/RTN | {LBL} P
111 INPUT| X
I ENTER|
Fills the stack with x,
then calculates 5x.
I ENTER|
1 ENTER|
5
P06 5
s
P07
X
2
P08
2
P09
P10
+
X
(5x + 2)x.
0
Pll
P12
P13
X
X
RTN
(Sx + 2)x3.
Ml LBL/RTN | |RTN>
[c]
Cancels program entry.
88 5: Simple Programming