Notes about Pascal
1642 - France -
Blaise Pascal - Mathematician, Physicist, Philosopher, Clergyman,
First mechanical
calculator
Mathematics:
Theory of probability, conic sections
Physics: Pascal's Law of hydraulics
- pressure applied to a confined liquid is transmitted with equal force in
every direction, regardless of where the pressure is applied. eg: hydraulic brakes.
Established one of the earliest
public transportation systems - a bus line in Paris.
Clergy:
age of 32 entered a religious order.
Died
at age 39.
Pascalene:
Demonstrated
that an apparently intellectual process, like arithmetic, could be performed by
a machine.
Failed
to sell: (10 or 15 sold)
Tendency to malfunction.
Limited mathematical ability. Only add; subtract with difficulty.
Expensive. Cost about what annual salary of a clerk
was.
Suspicion
of mechanical devices. Feeling that it
could be rigged like roulette wheels were rigged.
Basic
concept survived until recent years in mechanical adding machines.