Published on: 2025-06-10 06:22:50
While reading through the fantastic book The Lost Art of Logarithms by Charles Petzold I was nerd-sniped by a simple method of estimating the logarithm of any number base 10. According to the book, it was developed by John Napier (the father of the logarithm) about 1615. In french the natural logarithm is also called “le logarithm népérien” in reference to the mathematician. The Method We note that due to the nature of the logarithm (always referring to base 10 from here one out), the logarit
Keywords: 10 100 cdot log precision
Find related items on AmazonPublished on: 2025-06-11 14:59:52
The Two Ideals of Fields By Susam Pal on 27 May 2025 A field has exactly two ideals: the zero ideal, which contains only the additive identity, and the whole field itself. These are known as trivial ideals. Further if a commutative ring, with distinct additive and multiplicative identities, has no ideals other than the trivial ones, then it must be a field. These two facts are elegant in their symmetry and simplicity. In this article, we will explore why these facts are true. Familiarity with
Keywords: cdot ideal ideals multiplication ring
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