The sources for the following reference cards is on Github.

Periodic Table of Elements

Last updated: 2018

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

PDF: Periodic Table (A4)  (letter)

Python script for generating TeX code for the refcard.

Modern Fortran Reference Card

Last updated: 2015

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

Contents: Data Types, Control Constructs, Program Structure, Intrinsic Procedures, Input/Output

PDF: Modern Fortran Reference Card (A4)  (letter)

TEX: LaTeX code for the refcard.

Vim Reference Card

Last updated: 2010

Contents: Movements; Insertion & Replace; Deletion; Insert Mode; Search & Substitution; Standard Mode Formatting/Filtering; Visual Mode; Undoing; Repeating & Registers; Copying; Patterns; Spell Checking; Marks, Motions and Tags; Multiple Files / Buffers; Scrolling & Multi-Windowing; Misc Ex Commands; Ex Ranges; Completion; Folding, Compiling, Miscellaneous.

PDF: Vim Reference Card (A4)

TEX: Plain TeX code for the refcard.

Python 2.5 Reference Card

Last updated: 2009

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

PDF: Python Reference Card (A4)

ODT: OpenOffice source for reference card

Perl Reference Card

Last updated: 2008

Contents: variable types, basic syntax, references and data structures, system interaction, input/output, regular expressions, object-oriented perl and modules, and one-liners.

PDF: Perl Reference Card (A4)

ODT: OpenOffice source for reference card


Last updated: 2009

Regular/Latin1 ASCII Table.

PDF: ASCII Table (A4)  (letter)

TEX: LaTeX code for the refcard.


The following reference cards are less polished than the above: