Welcome 2012 – The National Mathematical Year in India
I was very pleased on reading this news that Government of India has decided to celebrate the upcoming year 2012 as the National Mathematical Year.…
Claim for a Prime Number Formula
Dr. SMRH Moosavi has claimed that he had derived a general formula for finding the $ n$ -th prime number. More details can be found…
Find the Day of a Date using this Calendar Formula
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…
Equations: A Basic Introduction
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…
WordPress URL Shortening: An Interesting Consequence
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…
Numbers – The Basic Introduction
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…
Mathematical Logic – The basic introduction
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…
Fermat Numbers (Important Theorems & Examples)
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…
Three Children, Two Friends and One Mathematical Puzzle
This is one of my favorite logic puzzles. It looks simple at first. Then you realize you’re missing something. And when the solution clicks, it’s…
6 Best Social Networks for Math Majors
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,…
Do you multiply this way!
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…
Just another way to Multiply
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.…