Base Converter

--Note that when I told yo Base64 was required for all letters, I meant all letters including lowercase.  For Caps you can use Base36.
:{0,...0}->L1
:{0,...0}->L2
:10->A
:11->B...
:35->Z
:Input "NUMBER (LIST)",L1
:Input "FROM BASE:",B
:0->R
--The next part doesn't fully work yet.
:Repeat R=P
:R+1->R
:L1(R)*(B^(P-R))->L2(R)
:End
:sum(L2)->Y
:Display "DEC:",Y
:Stop
--this tries to convert any base to decimal