# Suggestions for variations

The following packages have something in common with the package variations. The packages are ordered in decreasing similarity.

- tabvar: Typesetting tables showing variations of functions
- tablor: Create tables of signs and of variations
- tableauvariations: Variation tables in METAPOST
- tableaux: Construct tables of signs and variations
- tablvar: Typesetting pretty tables of signs and variations according to French usage
- tkz-tab: Tables of signs and variations using PGF/TikZ
- lpform: Typesetting linear programming formulations and sets of equations
- mathdots: Commands to produce dots in math that respect font size
- pmat: Typeset partitioned matrices
- kbordermatrix: LaTeX version of \bordermatrix
- petri-nets: A set TeX/LaTeX packages for drawing Petri nets
- tex-ewd: Macros to typeset calculational proofs and programs in Dijkstra's style
- undertilde-gen: A simple macro for placing a tilde under a character
- systeme: Format systems of equations
- qed: Produce an "end-of-proof" mark
- autoaligne: Align terms and members in math expressions
- anti: Typeset an anti-particle in maths mode
- mandel: Compute the Mandelbrot set
- proofs: Macros for building proof trees
- xlop: Calculates and displays arithmetic operations
- youngtab: Typeset Young-Tableaux
- calcfrac: Calculates the value of an expression containing fractions
- minim-math: Extensive maths for LuaTeX
- polexpr: A parser for polynomial expressions
- pdfmsym: PDF Math Symbols — various drawn mathematical symbols
- witharrows: “Aligned” math environments with arrows for comments
- formlett: Letters to multiple recipients
- expex: Linguistic examples and glosses, with reference capabilities
- binhex: Convert numbers into binary, octal and hexadecimal
- trigonometry: Demonstration code for cos and sin in TeX macros
- ean: Macros for making EAN barcodes