Tetrahedral number Calculator

Calculates the number of balls and the height in a regular tetrahedron.

Tetrahedral number
number of stages
    1. 1,2,3,...

total balls Tn
    1.  
height to accumulate hn
    1.  
    2.  
    1. ( diameter of a ball =1 )

    Tetrahedral number
    [1-1] /1Disp-Num
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    [1]  2018/05/05 04:47   Female / Under 20 years old / Elementary school/ Junior high-school student / Useful /
    Purpose of use
    Ping-Pong ball packaging project
    Comment/Request
    Please make changing the diameter an option.

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