DIFFERENCE ENGINE
 |
| Fig: Difference Engine |
A difference engine is an automatic
mechanical calculator. It was designed as fully automatic and powered by
steam. It was used to calculate various mathematic functions and logarithmic
tables. But this machine was not completed. This machine was first created by
Charles Babbage in 1820s AD.
# Who was invented the difference engine?
- -
Charles Babbage.
# When was developed difference engine?
- -
In 1820s AD.
# Which machine was called an automatic mechanical
calculator?
- DIFFERENCE ENGINE
 |
| Fig: Charles Babbage |
