Print aNumber on aStream according to the receiver's
formatting conventions. Always print a currency sign
and don't force to print negative numbers by putting
parentheses around them.
print: aNumber on: aStream currency: currency parentheses: p
Print aNumber on aStream according to the receiver's
formatting conventions. If currency is true, print a
currency sign, and if p is true force to print negative
numbers by putting parentheses around them. If p is true,
for positive numbers spaces are put around the number
to keep them aligned.