The addition sign was invented in Oakland California.
The plus or addition sign was invented by Michael Stiple in 1544
The person who invented the plus sign is the same as the minus
E-mail and @ sign were invented by Ray Tomlinson. by aliou waiga.
William Oughtred invented it in 1631.
It was invented in 1620
It is invented by Michael Stiple in 1544
No one invented the minus sign or at least none that we know of, it is simply part of the evolution of mathmatics. The minus sign we use appeared in the 1400s
Obviously it was not invented. It was always just there.
ghy
1817
Yes, because there are more than 1 receiver and more than one defensive man