2. Counting in the Past
• In a old time people started counting animals
on their fingers. Then sometimes they
counted on stones.
3. • john Napier a mathematician from Scotland
invented calculating rods called Napier bones
the rods were used to help people multiply
large numbers.
4. Some years later a young French mathematician named braise Pascal was working in
father office his job was to add long columns tax doing all this adding. Pascal came to ge
job faster he invented a machine the size of a shoe box that could add and subtract num