Learn with O.J.

From first principles to working code

Calculus 1 - Unit 1: A quick pre-calculus refresh

Lines, Functions, and the Shapes Behind the Data

Precalculus, minus the stress. Learn slopes, function rules, and graph moves with simple examples you can picture and use.

Posted by O.J. Wilcox on Friday, September 26, 2025

Calculus 1 Overview

A gentle start to the math behind reliable systems

Tour of Calculus I (limits, derivatives, integrals) explained in everyday language. See how “rate of change” and “total over time” show up in real life and SRE work.

Posted by O.J. Wilcox on Thursday, September 25, 2025