HP Prime Graphing NW280AAABA manual Entry, Base, Bits, Signed

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

Programming in HP PPL 577