 Twos Complement,
a selection of answers from the Dr. Math archives.
 Two's Complement
 What is two's complement and how is it used?
 Twos Complement
Notation
 How to make a 2byte negative; where in the 16 bits
the sign bit is place, and why.
 Negative Numbers in
Binary
 How do I represent 53 as a binary number? Is it 110101?
Wouldn't that be +53?
 Subtraction Using Nine's
and Ten's Complements
 How does subtraction using the "method of complements" work?
Why does it give the correct answer all of the time?
 Subtracting and Borrowing
in a Column
 A student borrowed in a column as follows: 6.9  7.92, to get
2.98. Why won't borrowing work with this number?
