|----+----+----+----+----+----3 |AND | OR |XOR |NOT |LSH |RSH | |----+----+----+----+----+----| |DEC |HEX |OCT |BIN |WSIZ|ARSH| |----+----+----+----+----+----| | A | B | C | D | E | F | |----+----+----+----+----+----|

The keys in this menu perform operations on binary integers.
Note that both logical and arithmetic right-shifts are provided.
`INV LSH` rotates one bit to the left.

The "difference" function (normally on `b d`) is on `INV AND`.
The "clip" function (normally on `b c`) is on `INV NOT`.

The `DEC`, `HEX`, `OCT`, and `BIN` keys select the
current radix for display and entry of numbers: Decimal, hexadecimal,
octal, or binary. The six letter keys `A` through `F` are used
for entering hexadecimal numbers.

The `WSIZ` key displays the current word size for binary operations
and allows you to enter a new word size. You can respond to the prompt
using either the keyboard or the digits and `ENTER` from the keypad.
The initial word size is 32 bits.

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