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Package doublestroke:
Typeset mathematical double stroke symbols.

A font based on Computer Modern Roman useful for typesetting the mathematical symbols for the natural numbers (N), whole numbers (Z), rational numbers (Q), real numbers (R) and complex numbers (C); coverage includes all Roman capital letters, ‘1’, ‘h’ and ‘k’. The font is available both as Metafont source and in Adobe Type 1 format, and LaTeX macros for its use are provided.

The fonts appear in the blackboard bold sampler.

Getting it

If possible, get this package from your distribution using its installation manager. (For installation help, click on your distribution's name.)

Distribution Package name
MiKTeX -this package is not in MiKTeX-
TeX Live doublestroke

You can also visit doublestroke's CTAN directory to browse the source or download the material for installation by hand.

More

Documentation on CTAN
Package Readme
Package documentation
Documentation off CTAN -none known-
Maintainers
Olaf Kummer
Version 1.111
License Other free license
Related packages
bbm:
"Blackboard-style" cm fonts.
bbold:
Sans serif blackboard bold.
mbboard:
Comprehensive blackboard bold fonts.
Keywords
fonts, mathematics
symbols, mathematical
Characterizations
primary:
Subject-specific typesetting > Mathematics > Mathematical symbols
secondary:
Fonts > Other

You can suggest changes to the keywords and characterizations and the maintainer information.

You can get information about any package.