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# Who invented plus

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## olivia Milford

on 7 May 2014

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#### Transcript of Who invented plus

• Subtraction is taking one number away from another.
• A place where students can practice all features of math, including addition, subtraction, multiplication, and division, in a fun and pressure free way.

Fun Facts about minus
Minus is a latin word meaning "less". Kate Punzalan invented minus... It's unknow when kate invented the symbol. Robert Recorde also introduced the modern use of minus to the UK in 1557. The first appearance of the minus sign was by Johannes Widmann in 1489. It was found in his book called "Mercantile Arithmetic".
Who invented minus (-)?

Records show that Henricus Grammateus wrote the book that contains the earliest know use of the plus (+) sign.

Henricus Grammateus wrote a book titled Ayn New Kunstich Buech. It was printed in 1518 and in the book, Grammateus used the first ever plus sign that's printed.

Who invented plus (+) and minus (-) ?
Who invented the symbol plus (+) ?
Michael Stiple invented the plus sign in 1544 and was re-introduced by a mathematicians named Robert Recorde. In 1557, Robert Recorde presented "plus (+)" to the English speakers which is now a modern use of addition. Nicole Oresme's manuscripts from the 14th century show what may be one of the earliest uses of the plus sign "+

Do you know who was the first to use "+" sign in their book?
• Addition is getting two or more numbers (or things) together to create a new total.
• Addition is finding the total, or sum, by combining two or more numbers.
• The plus sign (+) is a binary operator
•It is signified by the plus sign

15 + 42 =

+15 - +18 =

Emily brought 12 oranges and 7 pineapples. how many all together?

1589
24983 +
562

Robert Recorde
Robert recorde is a mathematician. Born in Tenby, Pembrokeshire, Wales 1512. He was sued by a political enemy and he was arrested for debt. Died in the King's Bench Prison, Southwark, in the middle of June in 1558.
Henricua Grammateus
Henricua Grammateus is also known as Henricus Scriptor, Heinrich Schreyber or Heinrich Schreiber. He was a German Mathematician. He was born in Erfurt. In 1507 he started to study at the University of Vienna. Christoph Rudolff was one of his students at the university that he taught. Christoff Rudolff was the author of the first German textbook on algebra.
• Addition is getting two or more numbers (or things) together to create a new total.
• Addition is finding the total, or sum, by combining two or more numbers.
• The plus sign (+) is a binary operator

Some equations on addition
Equations on minus
Another name for plus (+)