Program:

U050 0Comments:

U051 STO I

U052 RDN

U053 RCL(I)

U054 ABS

U055 RDN

U056 3

UO57 STO I

U058 RDN

U059 RCL(I)

U060 2

U061 STO I

UO62 RDN

U063 RCL(I)

U064 1

U065 STO I

U066 RDN

U067 RCL(I)

U068 R^

U069 RTN

Terms of use.

So now we have the subroutines:

- XEQ U001 to save the stack and LASTX.
- XEQ U029 to restore the stack and LASTX given U001 has been used to save.
- XEQ U050 to implement operation native unary operation stack and LASTX behaviour given U001 has been used to save.

20070929:2035UTC : Change because of fix in U program.

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