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TeX and Typography@TeXtipOct 30

Use \begin{quote} and \end{quote} to surround short quotes.

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TeX and Typography@TeXtipOct 29

Use \mathcal for calligraphic uppercase letters in math mode. e.g. \mathcal{F}

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TeX and Typography@TeXtipOct 28

\ldots produces an ellipsis (...). Use this rather than three periods.

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TeX and Typography@TeXtipOct 27

How many possible Unicode characters are there? Why? johndcook.com/blog/2019/09/0…

Number of possible Unicode characters

What is the maximum number of characters that Unicode can have? Why do they have the restrictions that they do?

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TeX and Typography@TeXtipOct 26

Can use \^ to put a circumflex on the following letter. e.g. r\^ole produces rôle

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TeX and Typography@TeXtipOct 23

Greek has two versions of sigma. \sigma is the most common version. \varsigma is the sigma used at the end of a word.

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TeX and Typography@TeXtipOct 22

The command for a product is \prod, not \Pi.

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TeX and Typography@TeXtipOct 21

Number sets in Unicode and HTML johndcook.com/blog/2021/11/0…

Number sets in HTML and Unicode | Double-struck letters

There are Unicode characters for the sets of real numbers, integers, quaternions, etc. and each has a couple corresponding HTML entities.

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TeX and Typography@TeXtipOct 20

The amsfonts package supplies blackboard math letters, such as \mathbb{R} for the real numbers, as well as other fonts.

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TeX and Typography@TeXtipOct 19

Use \phantom{} to insert white space the size of the argument. For example, \phantom{\pi} is an invisible \pi.

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TeX and Typography@TeXtipOct 16

The commands for capital Greek letters are the letter name in capital case. e.g. \Gamma, \Delta, etc.

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TeX and Typography@TeXtipOct 15

You cannot use \\ to produce a backslash. Use $\backslash$ instead.

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TeX and Typography retweeted

Algebra Etc.@AlgebraFactOct 14

LaTeX package for displaying Pascal-like triangles, such as the illustration above. johndcook.com/blog/2026/10/1…

LaTeX package for Pascal-like triangles

LaTeX package to make it easier to create illustrations of Pascal's triangle and similar triangles such as Bell's triangle, Leibniz' triangle, etc.

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TeX and Typography@TeXtipOct 14

Bidirectional text johndcook.com/blog/2020/10/0…

Simple bidirectional text

How to use basic bidirectional text. Inserting control characters to force text to be displayed left-to-right or right-to-left.

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TeX and Typography@TeXtipOct 13

In math mode, use \{ and \} to produce { and }.

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TeX and Typography@TeXtipOct 12

Use an en-dash rather than a hyphen for numerical ranges. e.g. pages 3--10.

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TeX and Typography@TeXtipOct 9

Differential equation direction plots in TeX tex.stackexchange.com/questi…

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TeX and Typography@TeXtipOct 8

Zareba, asterims, and dinkus johndcook.com/blog/2021/06/0…

Section separation symbols zabera, asterism, and dinkus

Occasionally I will use a row of three asterisks to indicate the separation between the body of a blog post and the footnotes, as I did in my previous post. *** This page quotes a typesetter who said...

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TeX and Typography retweeted

@HeinrichKuttlerOct 7

I nerded out a bit and let Claude recreate the 1947 look in LaTeX.

Image from heiner (@HeinrichKuttler)

@Anthony_BonatoOct 3

Which looks better to you?

Image from Anthony Bonato (@Anthony_Bonato)

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TeX and Typography@TeXtipOct 7

In Emacs, you can toggle between showing LaTeX commands and the symbols they produce with prettify-symbols-mode.

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