How to use Pi on the Casio fx-115 Calculator - YouTube
Just found out about this, most Casio calculators give a rational multiple of pi as an answer to 11⁶/13, which shouldn't be possible : r/mildlyinteresting
Casio Computer Co., Ltd FX115ESPLUS FX-115ESPLUS Advanced Scientific Calculator, 10-Digit Natural Textbook Display by CASIO, INC.
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