Charles Babbage

1
Hollerith
Ada Byron
Charles Babbage
J. Presper Eckert
Jacquard
John Mauchly
Napier
Blaise Pascal
2
Do you know what the first counting tools ever
used were?
How did this lead to the decimal number system?
What other tools might the people have used?
What early machine was used to help calculate?
3
Unit Overview
What we shall investigate

• Who are the Men and Women who made a difference?
• How did they make a difference?
• After investigation
• You and a partner will create a brochure
  explaining or selling one of the machines we have
  discussed..