







Math Notepad is a web based editor to do mathematical calculations and plot graphs. It supports real and complex numbers, matrices, and units.
NumWorks Graphing Calculator
The graphing calculator that makes everybody a math person.

Polypad – The Mathematical Playground
Unleash your creativity with the world’s best virtual manipulatives!

Old and new apps, via modern coding agents
I have been interested in machine-assisted ways to do and teach mathematics from as far back as 1999, when I started coding several applets in Java 1.0, both for my complex analysis and linear alge…


Fidget
Fidget is a library for representing, compiling, and evaluating large-scale math expressions, i.e. hundreds or thousands of arithmetic clauses. It's mainly designed as a backend for implicit surfaces, but the library is flexible enough for many different uses!
Brilliant | Your Personal Tutor for Math and Coding
Visual, interactive tutoring in math and coding, from 5th grade through college. Master concepts in algebra, calculus, Python, computer science, and more.


Antinote — a $5 scratchpad for macOS
Antinote is a fast macOS scratchpad for temporary notes and inline math. Opens on a global hotkey, strips formatting on paste, converts currencies and units. $5 once, lifetime updates, macOS 14+.
KaTeX – The fastest math typesetting library for the web
Simple API, no dependencies – yet super fast on all major browsers.

Pauls Online Math Notes
Welcome to my math notes site. Contained in this site are the notes (free and downloadable) that I use to teach Algebra, Calculus (I, II and III) as well as Differential Equations at Lamar University. The notes contain the usual topics that are taught in those courses as well as a few extra topics that I decided to include just because I wanted to. There are also a set of practice problems, with full solutions, to all of the classes except Differential Equations. In addition there is also a selection of cheat sheets available for download.
Notepad.exe - Native macOS Code Editor for Swift & Python
Lightweight macOS code editor. Skip the setup, write code, run instantly. Built-in iOS simulator, AI assistance, and Linux support.

We’re gonna need a lot more mathematicians
[This is a guest post by Amit Sahai. This blog post was initially written in a different file format and converted using AI. — T.] When I was an undergraduate student, I remember talking with…
How I'm able to take notes in mathematics lectures using LaTeX and Vim
A while back I answered a question on Quora: Can people actually keep up with note-taking in Mathematics lectures with LaTeX. There, I explained my workflow of taking lecture notes in LaTeX using Vim and how I draw figures in Inkscape. However, a lot has…
About - Project Euler
A website dedicated to the fascinating world of mathematics and programming