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Dr. SMRH Moosavi has claimed that he had derived a general formula for finding the $ n$ -th prime number. More details can be found here at PrimeNumbersFormula.com and a brief discussion here at Math.SE titled “Formula for the nth prime number: discovered?” SOME MORE EXCERPTS ARE HERE:
You can figure out what day of the week any date falls on. No calendar needed. Just arithmetic. I’m not talking about memorizing tricks or using apps. I mean a genuine mathematical formula that works for any date after 1582. It takes about 30 seconds once you know it. But before we get to the…
Math teachers love to say “let x equal the unknown.” But nobody explains why that simple trick is so powerful. Here’s the thing: equations are the reason we can solve problems that would take hours of guesswork in seconds. Let me show you how. Why Equations Matter Applied mathematics isn’t abstract theory—it’s the toolkit you…
Long post and page URLs can be annoying. Take an example: https://gauravtiwari.org/2011/02/06/derivative-of-x-squared-is-2x-or-x-where-is-the-fallacy/ (one of the most popular posts from my blog). Will you like to write these (about) a hundred characters? Or will you prefer URL shorteners, like bit.ly or wp.me, instead? As a third option, you may say, “I can just copy and paste the URLs to…
Numbers are the alphabet of mathematics. Logic is the grammar. And everything we build in math, from simple arithmetic to quantum field theory, comes from arranging these symbols according to rules. But here’s what most people never learn. All the complicated numbers you’ll ever encounter (fractions, negatives, irrationals, imaginary numbers) can be built from the…
If mathematics is a language, then logic is its grammar. You can have brilliant mathematical intuition, but without logical precision, you can’t communicate your ideas or verify they’re correct. Let me walk you through the building blocks of mathematical logic. Sentences and Statements A sentence is a collection of words that together express a complete…
Fermat was convinced he’d found an infinite source of prime numbers. He was wrong. Here’s the fascinating story of Fermat Numbers—and why one of history’s greatest mathematicians got fooled by a pattern that breaks down spectacularly. What Are Fermat Numbers? Fermat Numbers are integers of the form: $$ F_n = 2^{2^n} + 1 \quad \text{where…
Two close friends, Robert and Thomas, met again after a gap of several years. Robert Said: I am now married and have three children. Thomas Said: That’s great! How old they are? Robert: Thomas! Guess it yourself with some clues provided by me. The product of the ages of my children is 36. Thomas: Hmm……
Are you a math major looking for some social networks to join? If you are one, you are at the right place. In this article, I have listed some of the best social networks for math majors that you join. Math or Mathematics is not as difficult as it is thought to be. Mathematical Patterns,…
Before my college days I used to multiply this way. But as time passed, I learned new things. In a Hindi magazine named “Bhaskar Lakshya”, I read an article in which a columnist ( I can’t remember his name) suggested how to multiply in single line (row). That was a magic to me. I found doing multiplications…
Multiplication is probably the most important elementary operation in mathematics; even more important than usual addition. Every math-guy has its own style of multiplying numbers. But have you ever tried multiplicating by this way? Exercise: $ 88 \times 45$ =? Ans: as usual :- 3960 but I got this using a particular way: 88 …
Let have a Test: You need to make a calculation. Please do neither use a calculator nor a paper. Calculate everything “in your brain”. Take 1000 and add 40. Now, add another 1000. Now add 30. Now, add 1000 again. Add 20. And add 1000 again. And an additional 10. So, You Got The RESULT!…
