Combination Calculator

Calculates the number of combinations of n things taken r at a time.

Combination
number of things n
    1. n≧r≧0
number to be taken r

combinations nCr
    1.  
    Combination
    [1-10] /38Disp-Num
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    [1]  2023/01/25 03:16   60 years old level or over / A retired person / Very /
    Purpose of use
    Approximate number of mutual funds of 20 stocks each that can be made from the S&P500.
    [2]  2023/01/19 01:46   20 years old level / High-school/ University/ Grad student / Useful /
    Purpose of use
    COMPETITIVE PROGRAMMING
    [3]  2022/12/27 07:55   60 years old level or over / A retired person / Very /
    Purpose of use
    To calculate the number of combinations in a Project Euler problem in order to get the magnitude of the number of combinations my solution would have to deal with. 8 trillion is a big number exception in Washington DC.
    [4]  2022/12/20 20:55   Under 20 years old / High-school/ University/ Grad student / Useful /
    Purpose of use
    For exams in school, good
    [5]  2022/11/29 22:26   40 years old level / An engineer / Useful /
    Purpose of use
    solving a recreational math problem
    [6]  2022/10/16 02:41   20 years old level / An engineer / Very /
    Purpose of use
    To calculate number of ways to make 2 football teams of 11 players each, from a group of 22 people (hint: there are more than 700 thousand ways :D)
    [7]  2022/09/02 03:56   60 years old level or over / A retired person / Very /
    Purpose of use
    Lottery Odds
    [8]  2022/08/22 02:46   20 years old level / Self-employed people / Useful /
    Purpose of use
    Calculating the number of possible recipes of cooking in a game's cooking system.
    [9]  2022/08/09 03:49   30 years old level / Self-employed people / Very /
    Purpose of use
    Lottery odds
    [10]  2022/06/02 12:47   Under 20 years old / High-school/ University/ Grad student / Very /
    Purpose of use
    calculator used for Algebra 2 class homework

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