07-18-2017, 04:35 PM
Enter the equation in solver, actuate Calc, enter an integer value & store in N, actuate the key Nth_Dec & the programme returns the Nth element of the decimated sequence in
Nth_Dec
& the sum of the first N elements in
Sum_1_N.
Do not actuate Sum_1_N, the value is only for display purposes.
Nth_Dec
& the sum of the first N elements in
Sum_1_N.
Do not actuate Sum_1_N, the value is only for display purposes.
Code:
Nth_Dec=N+IP((N-1)/9)+0*L(Sum_1_N,(SQ(N)+N+SIGMA(x,0,8,1,SQ(IP((N-x)/9)))+SIGMA(x,1,8,1,IP((N-x)/9))-IP(N/9))/2)*Sum_1_N