The '$' symbol was actually used only during the 1800s, and before that the sign never appeared on American currency. But how was it derived? What are the alternate theories of its derivation?
Read on to find out. *chiching*
This theory was derived by a mathematician, Florian Cajori, in 1928, from his book History of Mathematical Notations. In the late 1700s, the US began pointing its own dollar based on the Spanish dollar.
And USA got the word 'dollar' from the European 'dollar.'
... the word 'dollar' was spelled out.
From that day everybody started to use $ sign.
...because Peso is called Peso de Ocho or a piece of 8.