Dear Alex: Why we use the symbol "Q" to be rational number, what is the source of the symbol ? (Excuse me, i see other authers call you "Alex",so i think that"s your name ) Thank you ^O^...
Why we use the symbol "Q" to be rational number,
what is the source of the symbol ?
(Excuse me, i see other authers call you "Alex",so i think
that"s your name ) Thank you ^O^...