how would i multiply 365/365 x 364/365 x 363/365...all the way to 326/365 using excel or the ti-83 calculator without having to input all those numbers. please help. thanks.

Answer 1

In Excel
In A1 enter 365
In A2 enter +A1-1, copy A2 to A3...A365
In B1 enter +A1/365 copy B1 to B2...B365
In C1 enter +B1
In C2 enter +B2*C1 copy C2 to C3...C365

and you are done, Cell C365 has your answer.