Arithmetic Tutorials

by Douglas W. Jones
THE UNIVERSITY OF IOWA Department of Computer Science

Index

BCD Arithmetic on Binary Machines
Division by Reciprocal Multiplication
Modulus without Division === work in progress ===
Binary to Decimal Conversion

hope for vaccine	Remember the 503,500 who have died of COVID 19 in the US	hope for vaccine
	and the 5,415 who have died in Iowa

These tutorials are characterized by an interest in doing arithmetic on machines with just binary add, subtract, logical and shift operators, making no use of special hardware support for such complex operations as BCD arithmetic or multiplication and division. While some of these techniques are old, they remain relevant today.

Last Modified:Tuesday, 29-Nov-2011 16:48:25 CST.