HP Prime Graphing Calculator - Manual (Page 583)

Programming in HP PPL 577
Entry Contains an integer that indicates the entry mode. In
Home Settings , select an option for Entry .
In a program, enter:
0 
Entry—for Textbook
1 
Entry—for Algebraic
2 
Entry—for RPN
Integer
Base Returns or sets the integer base. In Home Settings , select
an option for the first field next to Integers . In a program,
enter:
0 
Base—for Binary
1 
Base—for Octal
2 
Base—for Decimal
3 
Base—for Hexadecimal
Bits Returns or sets the number of bits for representing integers.
In
Home Settings , enter a value for the second field next
to Integers . In a program, enter:
n

Bits where n is the number of bits.
Signed Returns the status of, or sets a flag, indicating that the
integer wordsize is signed or not. In
Home Settings ,
check or uncheck the ± field to the right of Integers . In a
program, enter:
0 
Signed—for unsigned
1 
Signed—for signed