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chemarr – Arrows for chemists

Very of­ten chemists need a longer ver­sion of re­ac­tion ar­rows (\rightleft­har­poons) with the pos­si­bil­ity to put text above and be­low. Anal­o­gous to ams­math's \xrightar­row and \xlef­t­ar­row this pack­age pro­vides the macro \xrightleft­har­poons. The pack­age re­quires ams­math. To use it, \usep­a­ck­age{chemarr}, then \xrightleft­har­poons[be­low]{above} .

The pack­age is part of the oberdiek bun­dle.

Sources /macros/latex/contrib/oberdiek/chemarr.dtx
Ver­sion 1.3 2016-05-16
Li­cense The Project Public Li­cense 1.3
Copy­right 2001,2006 Heiko Oberdiek
Main­tainer Heiko Oberdiek
TDS archive oberdiek.tds.zip
Con­tained in TeX Live as oberdiek
MiKTeX as oberdiek
Topics chem­istry doc­u­ment sup­port

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