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The likelihood is that the signs (+) and negative (-) derive from the associated math operations of addition (+) and subtraction (-) when performed on a null set (zero). The Welsh mathematician Robert Recorde (1510-1558), the designer of the equals (=) sign, introduced the modern use of plus and minus symbols to the UK in 1557. The Chinese worked with negative numbers as early as 200 AD, and mathematicians in India (either concurrently or later) used the (+) sign for negative numbers. Resistance to negative solutions was expressed by the Greeks, and later by Europeans as late as the year 1800. This seems hard to explain when we see that businesses routinely used "credits" and "debits" to their accounts during the entire period.

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Q: Who invented the current mathematical plus and minus signs?
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Related questions

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


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Because of the three minus signs, i.e. an odd number of minus signs, the answer is negative.


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Because both minus signs to be cut therefore minus * minus will be treated as plus numbers


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It's an equation.


Why is there 2 minus signs at the start of a Trim Excel formula?

All functions in Excel start with the = sign. So you may be mistaking that for two minus signs. A minus sign will have no impact on an TRIM function as it is a text function.All functions in Excel start with the = sign. So you may be mistaking that for two minus signs. A minus sign will have no impact on an TRIM function as it is a text function.All functions in Excel start with the = sign. So you may be mistaking that for two minus signs. A minus sign will have no impact on an TRIM function as it is a text function.All functions in Excel start with the = sign. So you may be mistaking that for two minus signs. A minus sign will have no impact on an TRIM function as it is a text function.All functions in Excel start with the = sign. So you may be mistaking that for two minus signs. A minus sign will have no impact on an TRIM function as it is a text function.All functions in Excel start with the = sign. So you may be mistaking that for two minus signs. A minus sign will have no impact on an TRIM function as it is a text function.All functions in Excel start with the = sign. So you may be mistaking that for two minus signs. A minus sign will have no impact on an TRIM function as it is a text function.All functions in Excel start with the = sign. So you may be mistaking that for two minus signs. A minus sign will have no impact on an TRIM function as it is a text function.All functions in Excel start with the = sign. So you may be mistaking that for two minus signs. A minus sign will have no impact on an TRIM function as it is a text function.All functions in Excel start with the = sign. So you may be mistaking that for two minus signs. A minus sign will have no impact on an TRIM function as it is a text function.All functions in Excel start with the = sign. So you may be mistaking that for two minus signs. A minus sign will have no impact on an TRIM function as it is a text function.


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