Refcards

Printable reference cards (cheat sheets). The sources are on GitHub.

First page of the Periodic Table of Elements

Periodic Table of Elements

Updated 2018

Atomic weight, mass number of the most abundant isotope, atomic number, full electron configuration, valence electrons, and nuclear spin of the most abundant isotope with I≠0.

A4 Letter Python
First page of the Modern Fortran Reference Card

Modern Fortran Reference Card

Updated 2015

Fortran 90/95, with select features of Fortran 2003/2008.

Data types, control constructs, program structure, intrinsic procedures, input/output

A4 Letter LaTeX
First page of the Vim Reference Card

Vim Reference Card

Updated 2010

Movements, insertion and replace, deletion, insert mode, search and substitution, formatting and filtering, visual mode, undoing, repeating and registers, copying, patterns, spell checking, marks, motions and tags, multiple files and buffers, scrolling and multi-windowing, Ex commands and ranges, completion, folding, compiling

A4 Plain TeX
First page of the Python 2.5 Reference Card

Python 2.5 Reference Card

Updated 2009

Variable types (numbers, sequences, sets, strings, and regular expressions), basic syntax, object orientation and modules, exception handling, system interaction, input/output, standard library

A4 OpenOffice
First page of the Perl Reference Card

Perl Reference Card

Updated 2008

Variable types, basic syntax, references and data structures, system interaction, input/output, regular expressions, object-oriented Perl and modules, one-liners

A4 OpenOffice

Others

The following reference cards are less polished than the above: