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The addition symbol was first used in 1544 by Michael Stiple. I do not know when the subtraction sign was first used, I'm still trying to find that out myself!
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∙ 14y ago
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What century did mathematicians first use plus and minus signs?
15th Century by Johannes Widmann
What century did mathematicians use plus and minus signs?
15th Century by Johannes Widmann
What century were plus and minus signs in math first used?
the 16th century, specifically 1544.
In what century did people start using plus and minus signs?
19th century.....sorry this is all i know....
Does plus minus mean plus?
Same mathematical signs equal plus Different mathematical signs equal minus Plus Plus = Plus (+)(+) = + Minus Minus = Plus (-)(-) = + Plus Minus = Minus (+)(-) = - Minus Plus = Minus (-)(+) = - So the direct answer to your question would be: plus minus equals minus
When was a long tom 12 gauge manufactured?
@ turn of the century, plus or minus a few decades
What is a plus and a plus if a plus and a minus is a minus?
A plus + a plus is a plus.
Calculate the following 7 - -2 equals?
A minus and a minus makes a plus A plus and a plus makes a plus A minus and a plus or plus and a minus makes a minus 7 - -2 is a minus and a minus Therefore the answer is 7 + 2 = 9
What does a minus plus a minus equal9?
A minus plus a minus will give a sum with a minus also.
Does a minus times a minus equal a plus?
Yes it does. A minus is the opposite of something, so the minus of a minus is a plus.
What does a plus with a minus under it mean math?
A plus with a minus under it means "plus or minus" in math.
What is a plus times a plus?
A plus times a plus is still a plus. Below is the way I remembered it: If there is not a minus sign, it is plus (positive). If there is 1 minus sign, it is minus (negative). If there are 2 minus signs, it is plus (positive).
