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 Sep 22 awarded Tumbleweed Sep 15 asked Removing density functions 'offset' Jul 1 awarded Popular Question Dec 3 awarded Promoter Dec 3 revised Calculate interests deleted 8 characters in body Dec 2 comment Calculate interests I'm currently googling to know which option is commonly used, thx Dec 2 comment Calculate interests yes r: yearly interests of the loan and m: monthly payback, @AndréNicolas I have edited the question with what you suggested can you have a look? Dec 2 revised Calculate interests added 917 characters in body Dec 2 comment Calculate interests I don't agree, at the end of first year, the loan is N less 12 paybacks, and you add the interests Dec 2 comment Calculate interests ok else, to me, for the amount at beginning of years: $N_y = N_{y-1} - 12m + r(N_{y-1}-6m)$ no? (you have put $12m$ also multiplied by r) Dec 2 comment Calculate interests seems x and y are mixed, it's V(x,b... ) above? Dec 2 comment Calculate interests @AndréNicolas I thought when you do a loan, the interests were added at the end of the year only, but it's probably each months, it would increase slightly the result. yes r is the nominal interest rate (e.g. 2.5%), @ Limitless thx trying to understand it Dec 1 revised Calculate interests edited title Dec 1 asked Calculate interests Nov 17 revised Integer sequence comparison, binomials Vs power added 4 characters in body Jun 29 comment combinatorics counting sets with a one element having values in another set yes i know, it's a data indexation problem, and the solution in the post scales better than putting all elts inline Jun 27 accepted combinatorics counting sets with a one element having values in another set Jun 27 comment combinatorics counting sets with a one element having values in another set ok and seems to work for the example, thx Jun 27 revised combinatorics counting sets with a one element having values in another set added 3 characters in body Jun 27 asked combinatorics counting sets with a one element having values in another set