i
postfix numeric
numeric multiplication with the imaginary unit (√-1)
https://docs.raku.org/type/Complex#postfix_i
C<4i> is the same as C<0+4i>.  Needs grouping for variables C<($a)i>
because otherwise the C<i> will be considered part of the variable
name.

ⁿ
postfix numeric
numeric literal integer exponentiation
https://docs.raku.org/routine/%2A%2A
So C<$a²> is the same as C<$a ** 2>, etc.  Any of C<⁰¹²³⁴⁵⁶⁷⁸⁹⁺¯¯> may
be used.


contains the postfix operators that expand on numeric values.
