Link Shortener
Jun 14, 2022
A simple custom link shortening app. It’s a bit like a personal bit.ly. I wrote it in php and MySQL.
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Graphical Analysis of Lab Data using Desmos
Apr 30, 2022
I have been having students use the free online graphing calculator Desmos (www.desmos.com). It can perform linear and curve fits much more precisely than can be done by hand, but it is much friendlier to new users than Excel.
(Read more...) Talks & PublicationsLedger & HLedger Scripts
Jun 09, 2021
I use Plain-Text Accounting and the command line tools Ledger and HLedger in order to track family finances. I have written these scripts to help me import data from monthly bank statements into my ledger file and visualize our finances.
Circular Motion GeoGebra Animations
Dec 04, 2020
This pair of GeoGebra animations is designed to show that there are two ingredients to circular motion: centripetal force and forward motion. If one or the other ingredient is missing, the motion will diverge from circular.
Website Code
Oct 12, 2020
This website is generated using the Hugo Static Site Generator and a custom-coded theme. Both the site’s theme and its content can be viewed on GitHub.
(Read more...) ProjectsAbout
I have been teaching physics at Avon High School since 2013.
This website is a collection of projects—some related to my job and many not. Mostly, this website is just a
place for me to play around with html and other programming languages and trick myself into thinking that I
am being productive by doing so.
This website is built using hugo and a custom-coded theme.
Zachary J. Rohrbach
Physics Teacher
Avon High School
zjrohrbach@avon-schools.org