Square pyramidal number Calculator

Calculates the number of balls and the height in a square pyramid.

Square pyramidal number
number of stages
    1. 1,2,3,...

total balls Tn
    1.  
height to accumulate hn
    1.  
    1. ( diameter of a ball =1 )
    Square pyramidal number
    [1-4] /4Disp-Num
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    [1]  2019/03/21 14:25   Female / Under 20 years old / Elementary school/ Junior high-school student / Not at All /
    Purpose of use
    homework
    [2]  2018/08/16 16:42   Male / 50 years old level / An engineer / Very /
    Purpose of use
    Helping kids with homework
    [3]  2017/06/07 04:08   Female / 20 years old level / An office worker / A public employee / Very /
    Purpose of use
    Helping younger sister with maths.
    [4]  2015/08/21 21:48   Female / 40 years old level / A retired people / Not at All /
    Purpose of use
    trying to figure out how to do pyramidal math and can not figure it out.

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