mcnees

@misc{FormulasWebsite,   
    title = {Conventions, Definitions, Identities, and Formulas},   
    howpublished = "\url{http://jacobi.luc.edu/Useful.html#Variations}",   
    author = {McNees, Robert},   
    year = {2019},   
    note = {Accessed on August 1, 2022} 
}

mcnees

\documentclass[crop=true, border=10pt]{standalone}

 
\usepackage{xcolor}

\usepackage{tikz}
\usetikzlibrary{arrows.meta}


% Some colors I like. The first six are modified versions of colors from

mcnees

%% --------------------------------------------------------------
%% Code for the diagram in a twitter thread about Lobachevsky.
%% Tweet: https://twitter.com/mcnees/status/1333812403218354177
%% --------------------------------------------------------------

\documentclass[crop=true, border=10pt]{standalone}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{mathrsfs}

mcnees

%%-----------------------------------------------------------------------
%% Make your own quadrille, graph, hex, etc paper!
%% Uses the pgf/TikZ package for LaTeX, which should be part of
%% any modern TeX installation.
%%
%% All the values here are hardcoded for letter size paper. 
%%
%% This is the original standalone .tex file. The project is in the
%% process of being converted to a LaTeX package.
%%