9 Do We Need the Digits of $\pi$? 7 What is the next number? 7 Question related to regular pentagon 7 Finding solutions to $(4x^2+1)(4y^2+1) = (4z^2+1)$ 5 How is this read correctly (problem with brackets)? 2^2048 - 2^1984 - 1 + 2^64 * { [2^1918 pi] + 124476 }

Reputation (2,238)

 +10 Thinking about mixtures and percentages +10 What is the principal root of $\sqrt{-i}$? +5 Losing at Spider Solitaire +10 How is this read correctly (problem with brackets)? 2^2048 - 2^1984 - 1 + 2^64 * { [2^1918 pi] + 124476 }

Questions (7)

 13 Losing at Spider Solitaire 13 Maximum area of a triangle 8 The sum of the first $n$ squares is a square: a system of two Pell-type-equations 6 On the pronunciation of the second derivative 6 Properties of Fermat primes

Tags (63)

 14 geometry × 6 11 diophantine-equations × 5 12 elementary-number-theory × 10 10 number-theory × 9 12 recreational-mathematics × 3 9 computer-science × 2 11 algebra-precalculus × 11 9 pi × 2 11 calculus × 6 9 big-list

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