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  • ...pronounced fī-RĒ-kălk, as in recalculating the golden ratio <math>\phi</math>, the hardest irrational number to rationally approximate. It is also spell ...n, and FTW Other Stuff, and has formerly moderated Middle School Classroom Math and Middle School Contests. He is also a moderator on FTW.
    3 KB (492 words) - 13:56, 31 July 2013