There are several variations, the most notable is Pitman shorthand created by Sir Isaac Pitman in 1837
john Robert Gregg
To write a statement in shorthand, use symbols or abbreviations to represent words or phrases. Develop your own shorthand system or use an established shorthand method like Pitman or Gregg. Practice regularly to improve speed and accuracy in writing statements in shorthand.
Shorthand has been in use for hundreds of years, the earliest known record of shorthand is an ancient Greek marble slab that dates back to around 400BC. The systems of shorthand used in the western world today are Pitman shorthand and Gregg shorthand. Introduced by Sir Isaac Pitman in 1837 and John Robert Gregg in 1888 respectively
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Shorthand
Ecosystem is a shorthand term for ecological system.
Often known by its shorthand name polio, poliomyelitis is a disease that affects the spinal cord. It was discovered by German orthopedist Jakob Heine in 1840.
After buying Gurney's shorthand system, Charles Dickens taught himself shorthand and used it extensively in his journalism and writing work to increase his efficiency and productivity. He found shorthand to be a valuable skill that helped him in his career as a writer and reporter.
Binary
it is a shorthand
"Ptf." is the shorthand for plaintiff.
Develop a shorthand writing system. Here is a link to go online.
The Cartesian Coordinate System was discovered by Rene Descartes.