The minus, negative, or subtraction symbol is derived from a tilde written over "m" that used to be used to indicate subtraction. It might also be a shorthand version of the "m" itself.
who invented subtraction?
the subtraction sign
A subtraction sign.
The subtraction sign (−) as we know it today was popularized by the mathematician Johannes Widmann in his book "Mercator" published in 1489. However, the use of a symbol for subtraction can be traced back earlier to the work of various mathematicians in Europe. The use of a horizontal line to indicate subtraction became standardized over time, leading to the symbol we use today.
minus
ghy
Obviously it was not invented. It was always just there.
who invented subtraction?
the subtraction sign
The less than sign I believe that you are talking about is the minus/subtraction sign? The addition sign, +, is the opposite of the subtraction sign :)
A minus sign
A subtraction sign.
A subtraction sum will contain a minus sign.
It is called the minus sign. - .
minus
Robert Recorde, who designed the equals sign, introduced plus and minus in 1557. Brahmagupta was an Indian mathematician who invented the multiplication sign around the 19th century. Johann Rahn first used the division sign in his book Teutshe algebra in 1659.
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