This post is lecture notes for this lecture I gave on zxq9’s stream on 2026-07-13 Our plan is to do a stream every week on American Monday at 8:00 PM Eastern Time (9:00 PM Realistic Time). We’ll see how long that plan lasts. We’re going to rotate who’s speaking every week. Next week’s speaker is […]
Category: Foundations of QAnal
Crypto: How to do division in modular arithmetic
The goal of this post is to explain straightforwardly how to perform division in modular arithmetic in such a way that you actually understand it. This is a continuation of a series exploring the mathematical foundations of cryptocurrency. Previously: Visual GCD Algorithm What is a keypair? There’s plenty of other material out there that covers […]
First steps in rational geometry | FQA 4
This is part of an ongoing series called Foundations of QAnal Outline Today we’re going to talk about very basic points and lines geometry. Specifically we are going to address the following questions: What is a point? What is a line? How do we calculate the line that intersects a pair of distinct points (the […]
Rational number arithmetic in Erlang | FQA 2
This is post number 2 in an ongoing series called Foundations of QAnal. Outline The goal for today is for you to understand what a rational number is how it is represented in Erlang how the operations are defined basic properties of the operations This is going to be brief (ish). I want to talk […]
Experimental new series: Foundations of QAnal
I may or may not stick with this. I am having horrible writer’s block trying to write this all out in a LaTeX PDF, Erlang, my videos, or in my Revelations. So I’m trying the blog medium. The blog has the “fire and forget” property. So we’ll see. QAnal is my fork of mathematics. QAnal […]