RT @Rainmaker1973: Piphilology comprises the creation and use of mnemonic techniques to remember a span of digits of the mathematical const… 0 atbildes
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Gints Kiršteins (2020-09-03 09:16:33) |
RT @Rainmaker1973: Piphilology comprises the creation and use of mnemonic techniques to remember a span of digits of the mathematical const… | |