HP 35s Scientific Calculator - Manual (Page 165)

Base Conversions and Arithmetic and Logic 11-7
Range of Numbers
The 36-bit binary number size determines the range of numbers that can be
represented in hexadecimal (9 digits), octal (12 digits), and binary bases (36
digits), and the range of decimal numbers (11 digits) that can be converted to these
other bases.
Range of Numbers for Base Conversions
Numbers outside of this range can not be entered when a non decimal base is
selected.

  2's complement (sign
changed).
 ()

Binary version; indicates
more digits. The number is
negative since the highest bit
is 1.
Õ 

Displays the rest of the
number by scrolling one
screen
Õ 

Displays the rightmost
window;
 ()
 Negative decimal number.
Base Positive Integer
of Largest Magnitude
Negative Integer
of Largest Magnitude
Hexadecimal 7FFFFFFFFh 800000000h
Octal 377777777777o 400000000000o
Binary 0111111111111111111111
11111111111111b 10000000000000000000000
0000000000000b
Decimal 34,359,738,367 –34,359,738,368