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Combinations bidirectional - Printable Version +- HP Forums (https://www.hpmuseum.org/forum) +-- Forum: HP Calculators (and very old HP Computers) (/forum-3.html) +--- Forum: HP Prime (/forum-5.html) +--- Thread: Combinations bidirectional (/thread-15345.html) |
Combinations bidirectional - Tonig00 - 07-14-2020 02:55 PM Helo COMB(n,r) gives n!/(r!(n-r)!) But if I put 2*n!/(r!(n-r)!) how can I get 2*COMB(n,r) Is it possible? Thanks very much RE: Combinations bidirectional - CyberAngel - 07-17-2020 12:33 AM (07-14-2020 02:55 PM)Tonig00 Wrote: Helo No - - VPN |