Q:
# Who invented linear equations?

Linear equations were invented in 1843 by Irish mathematician Sir William Rowan Hamilton. He was born in 1805 and died in 1865. Through his algebraic theory, Sir Hamilton made important contributions to mathematics, and his work found applications in quantum mechanics.

Continue Reading
Credit:
John Lund
Blend Images
Getty Images

Some consider Sir Hamilton a genius because of his exceptional mental abilities. At just the age of 13, he reportedly spoke 13 languages, and at 22, he was a professor at University of Dublin. Sir Hamilton was guided by his idealism, faith and passion for metaphysics, politics and poetry. In his mathematical studies, he wanted to find ways of extending complex numbers, which he did with his invention of a type of equations known as quaternions.

Learn more about Data Graphs-
Q:
## What is an example of an array?

A: An example of an array in PHP is array(1 = "a", 2 = "b", 3 = "c"). Other programming languages, such as C++, have different structures. Full Answer >Filed Under: -
Q:
## How are graphs used in the real world?

A: In the real world, graphs are used to help people quickly understand and use information. Examples include graphs used in medicine and in business. Full Answer >Filed Under: -
Q:
## What is a double bar graph?

A: A double bar graph is a chart that uses parallel bars at proportional lengths that represent quantitative values. The length of the bar correlates with the... Full Answer >Filed Under: -
Q:
## How can you create a pie chart online?

A: T create a pie chart online, visit a website such as RapidTables.com or Meta-Chart.com, and fill in the fields to populate the chart. Each online chart-mak... Full Answer >Filed Under: