Equations in Modular Arithmetic

Modular Arithmetic and Modulo Congruence

What is Modular Arithmetic - Introduction to Modular Arithmetic - Cryptography - Lesson 2

Should Kids Use Mobile Phones?

Autism, pregnancy, and tylenol use You may have heard about the potential association with autism and tylenol use in pregnancy. There have been reports suggesting a neurodevelopmental impact of tylenol on developing babies for years. Let’s look at a good quality study from 2024, published in JAMA. (JAMA is a big f-ing deal of a journal - everyone across specialties reads it and wants to publish in it, so there are rigorous standards and peer review to get in.) This is a registry study, done in S

Pulley system: people lifting sand with a pulley system

Modulus of Negative Numbers

Find Modulus or remainder of a number using scientific calculator.