i want to make simple cashier program
i understand it mathematically also drawing the algorithm. but have no knowledge of programming at all..
if i deposit
5 of IDR 20
5 of IDR 10
5 of IDR 5
10 of IDR 2
1st transaction was someone buying IDR 98 using IDR 100, i want the program where i input
sales : IDR 98
money received : IDR 100
then the program will show
change : IDR 2
also the program make the deposit of 10 of IDR 2 become 9 of IDR 2 automatically.
the total sales : IDR 98
and when the 2nd transaction happen, the amount accumulate accordingly.
where do I start? with excel is ok, with python or c++ or java are also ok.