This is a list of past revisions of Tau. Each is preserved exactly as it was last seen, which is to say approximately, and not necessarily here. Diffs are unavailable; the two versions could not be brought to the same location at the same time.
cur | prev4 Sep 2026T. Vogel(talk | contribs). . (4,960 bytes)(+120). . (→ protection lapsed after two days and the word is still here. I have read the diff looking for the false statement in it and found only a rude one, which is a different objection and should have been raised in those words)(current)
cur | prev12:05, 2 Sep 2026a sysop(talk | contribs). . (4,840 bytes)(+40) m . . (full-protected this article and Pi for 48 hours. one adjective, two pages, and neither party was editing the other page this morning)
cur | prev11:44, 2 Sep 2026NotTheMudGeometer(talk | contribs). . (4,800 bytes)(+30). . (WITCH EVER ONE IS TRUE IT AINT SIX POINT TWO. I HAD A STRING AND A WHEEL. IT WENT THREE)
cur | prev11:31, 2 Sep 2026radius_first(talk | contribs). . (4,770 bytes)(+5). . (rv. the peacock term is "the", which has stood in front of "circle constant" on Pi since 1706, for three hundred and twenty years, and was flagged by nobody)
cur | prev11:26, 2 Sep 2026perimeter_1706(talk | contribs). . (4,765 bytes)(−5). . (→ lead: rm "true" per WP:PEACOCK. a number is not honest or dishonest, and a constant that has to be introduced as the truthful one has conceded something)
cur | prev09:12, 2 Sep 2026radius_first(talk | contribs). . (4,770 bytes)(+5) m . . (→ lead: one word added. it is the true circle constant. the sentence is five characters longer and says what it has said all along)
cur | prev2025an editor(talk | contribs). . (4,765 bytes)(+1400). . (→ The digits: printed the expansion to a thousand places, which is further than any purpose requires and exactly as far as the nines. seven of them, at the seven hundred and sixty-first. the celebrated run in Pi is six, one place later, and has a name)
cur | prev2024a reader(talk | contribs). . (3,365 bytes)(+45) m . . (talk: is this a joke. no. the quarter turn really is tau over four, it has always been tau over four, and you were taught otherwise for no reason that anybody wrote down)
cur | prev2016T. Vogel(talk | contribs). . (3,320 bytes)(+140). . (→ every argument here is about notation and none about mathematics, which is exactly why it matters. the numbers do not care. the students do, and they have been carrying somebody else's afternoon since 1706)
cur | prev2010the Tau Manifesto(talk | contribs). . (3,180 bytes)(+480). . (→ published today, 28 June. the constant has a name at last: tau, being pi with the surplus leg struck off, which is the correct operation performed on the correct letter. the day is fixed in the same document and the pastry follows)
cur | prev2001the Intelligencer(talk | contribs). . (2,700 bytes)(+420). . (→ prints "pi is wrong!" and the subject is never quite the same again. the true circle constant is the circumference over the radius; a quarter turn ought to look like a quarter. the symbol proposed has three legs and does not catch on, which is the only fault in the paper)
cur | prev1949the ENIAC(talk | contribs). . (2,280 bytes)(+190). . (→ two thousand and thirty-seven places in seventy hours, which is two years and one thousand two hundred and twenty-nine places past the man with the calculator. no remark was made about the nines, this being a machine)
cur | prev1947D. F. Ferguson(talk | contribs). . (2,090 bytes)(+200). . (→ eight hundred and eight places, on a desk calculator, and the seven nines at the seven hundred and sixty-first are seen for the first time by anybody at all. by hand, in the last year in which that was the way to do it)
cur | prev1926P. Dirac(talk | contribs). . (1,890 bytes)(+160). . (→ introduced a symbol for h over 2π, since that is what one always wants. giving the whole turn a name of its own has occurred to the subject before)
cur | prev1882F. Lindemann(talk | contribs). . (1,730 bytes)(+200). . (→ transcendental. the circle cannot be squared and two thousand years of attempts are hereby closed, or would be if anyone read journals)
cur | prev1873W. Shanks(talk | contribs). . (1,530 bytes)(+150). . (→ seven hundred and seven places, by hand, over twenty years of evenings. correct to five hundred and twenty-seven of them. the nines stand at the seven hundred and sixty-first and were never within reach: fifty-four places past where I stopped, and two hundred and thirty-four past where I last had it right)
cur | prev1863the Mud Geometer(talk | contribs). . (1,380 bytes)(+60). . (IF THAT ONE IS THREE THEN THIS ONE IS SIX. I DUN THE SUM TWICE AND GOT SIX BOATH TIMES. THIS IS THE FIRST PAGE HERE THAT HAS NOT LYED TO ME)
cur | prev1761J. H. Lambert(talk | contribs). . (1,320 bytes)(+180). . (→ irrational, by a continued fraction for the tangent. this holds of the number and therefore of twice the number, and does not bear on which one we ought to write)
cur | prev1736L. Euler(talk | contribs). . (1,140 bytes)(+240). . (→ adopted the above, and being who I am that ends the matter for two centuries. the other constant was equally available and I did not stop over it)
cur | prev1706W. Jones(talk | contribs). . (900 bytes)(+300). . (→ took a letter for the perimeter and set it against the diameter, that being the one length nobody draws a circle with. see Pi, where the consequences are kept. two hundred and ninety-five years before anyone objects)
cur | prevc. 250 BCArchimedes(talk | contribs). . (600 bytes)(+600). . (created page; the circumference stands to the diameter between 223/71 and 22/7. I have named nothing, stated a proportion, and left the choice open for whoever should come after. it was not kept open long)
Older revisions exist but have not been located. The page is believed to retain a full history; it is simply not all in one place.
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