George Gamow (1904-1968) Russian-born American nuclear physicist
and cosmologist remarked that "it is well known to students of high school
algebra" that division by zero is not valid; and Einstein admitted it as
{\bf the biggest blunder of his life} [1]:1. Gamow, G., My World Line
(Viking, New York). p 44, 1970.



Eπi =-1 (1748)(Leonhard Euler)
E = mc 2 (1905)(Albert Einstein)
1/0=0/0=0 (2014年2月2日再生核研究所)

ゼロ除算(division by zero)1/0=0/0=z/0= tan (pi/2)=0
https://ameblo.jp/syoshinoris/entry-12420397278.html

1+1=2  (      )
a2+b2=c2 (Pythagoras)
1/0=0/0=0(2014年2月2日再生核研究所)