Section 2: Registers32
Sample Case: Turn the calculator off, then on, put the values 4, 3 2 and 1 in the T, Z, Y, and X-registers, respectively, and review the stack. using x y, R , E, and D.
 
T           4 4
Z       4 4 3 3
Y   4 4 3 3 2 2
X 4 4 3 3 2 2 1
 
 
Key 4   3   2   1
Note: ENTER  is here abbreviated as  .
 
 
T 4 4 4 4
Z 3 3 3 3
Y 1 2 1 2
X 2 1 2 1
 
 
Key gx y gx y E E
 
         
         
  Using gx y Using E
 
Notice that using gx y or E twice leaves the stack in 1ts original condition.
 
T 1 2 3 4 1 2 3 4
Z 4 1 2 3 4 1 2 3
Y 3 4 1 2 3 4 1 2
X 2 3 4 1 2 3 4 1
 
 
Key gR  gR  gR  gR  D D D D
 
         
         
  Using gR  Using D
 
Notice that using gR  or D four times leaves the stack in its original condition.