This is a revised version of an earlier video.
A special thanks to Honors PreCalculus 2024-2025 for ideas and encouragement.
Further, thank you to @MikeStallings2023 for kindly pointing out a mistake that I had in the original video.
I hope you find some mathematics in your part of the world to enjoy, and possibly share with someone else!
📐 Cheerful Calculations! 🧮
Music is written, played, and recorded by Tranquil Sea of Math.
0:00 Proving a lemma for our problem set
4:37 our mad problem set 😃
Some products I used (I am not sponsored or endorsed by these products):
Samsung Galaxy A10e
OpenShot Video Editor: https://www.openshot.org/
TexMaker
DuckDuckGo
Zorin OS
Drawing 0.8.5, A drawing application for the GNOME desktop., © 2018-2021 Romain F.T.
