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There is much truth to this post about about #math textbooks.

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  • I have a #math question.

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    @dnkboston oh because even thoughg'(x) = sin2(x) cos(x) => g(x) = sin3(x)/3is easy, then you'd have to integrate exp(x) sin3(x)/3 which would be … less easy 8-D
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    #American #Kids Can't Do #Math Anymore - #Slashdot 😱😱😱😱😭🤬https://m.slashdot.org/story/449313
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    Sometimes I wander into wonderful rabbit holes.This week's adventure, "What’s the fastest way to multiply two 32-bit numbers on an ARM Cortex-M0 CPU?"If you're thinking Karatsuba multiplication (https://en.wikipedia.org/wiki/Karatsuba_algorithm), you’re wrong.While Karatsuba offers a lower asymptotic complexity (around O(n^1.58)), it only pays off when used recursively on larger integers.On the Cortex-M0, Karatsuba runs much slower than the plain naïve multiply. It turns out, simplicity wins at this scale.Godbolt Source:https://godbolt.org/z/4rP7bnv6r#programming #math
  • M(77232917) is officially the 50th Mersenne Prime

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    M(77232917) is officially the 50th Mersenne Prime.M(77232917) was discovered seven and half years ago. Now, thanks to the diligent efforts of many GIMPS volunteers, every smaller Mersenne number has been successfully double-checked. Thus, M(77232917) officially becomes the 50th Mersenne prime.This is a significant milestone for the GIMPS project. The next Mersenne milestone is not far away, please consider joining this important double-checking effort.https://www.mersenne.org/report_exponent/?exp_lo=77232917&full=1#math #maths