22 Apr
2019
22 Apr
'19
2:47 a.m.
(balter:=balanced ternary) Nine trits of even balanced ternary of π: In[329]:= 2 balter@Floor[3^9 π/2] Out[329]= {2, -2, -2, -2, 0, 2, 2, -2, 0, 2, -2} Check: In[330]:= FromDigits[{%, 2}, 3] // N Out[330]= 3.14149265863944 But In[337]:= Sum[4 (-1)^k/(1 - 2 k), {k, 10^4}] // N Out[337]= 3.14149265359004 ! —rwg