Go to Understanding Napier's Bones at
http://www.macs.hw.ac.uk/~greg/calculators/napier/
Click
and read the section "A Great Man."
Click
and read the section "All About Rods."
Run
the Java Demonstration.*
Run
the Java Simulation.*
*You may have trouble with the demonstration and simulation on some
browsers. If so, just skip to the
next item.
Go to http://mathworld.wolfram.com/NapiersBones.html
Read the information.
Multiply 9 times 739 using the technique shown at this site.
http://users.ju.edu/ssundbe/bones.html is another site that demonstrates how to multiply using Napier's bones. Which sites is the easiest to understand?
Go back to http://www.macs.hw.ac.uk/~greg/calculators/napier/
Rerun the Java simulation, multiplying 39 times 739.
Construct a set of Napier's bones and use them to multiple 39 times 739.