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Article contents:== Outdated egg! This is an egg for CHICKEN 4, the unsupported old release. You're almost certainly looking for [[/eggref/5/allegro|the CHICKEN 5 version of this egg]], if it exists. If it does not exist, there may be equivalent functionality provided by another egg; have a look at the [[https://wiki.call-cc.org/chicken-projects/egg-index-5.html|egg index]]. Otherwise, please consider porting this egg to the current version of CHICKEN. [[tags: allegro game]] == allegro This document pertains to math related methods found in the Allegro egg. Please see the main [allegro] wiki page for more information. [[toc:]] == Functions === Fixed Math <procedure>(fix-to-rad integer)</procedure> Implements al_fixtorad_r. <procedure>(rad-to-fix integer)</procedure> Implements al_radtofix_r. <procedure>(fixed-sqrt integer)</procedure> Implements al_fixsqrt. <procedure>(fixed-hypot integer)</procedure> Implements al_fixhypot. <procedure>(fixed-atan integer)</procedure> Implements al_fixatan. <procedure>(fixed-atan2 integer)</procedure> Implements al_fixatan2. <procedure>(fixed-cos integer)</procedure> Wraps _al_fix_cos_tbl. <procedure>(fixed-tan integer)</procedure> Wraps _al_fix_tan_tbl. <procedure>(fixed-acos integer)</procedure> Wraps _al_fix_acos_tbl. Description of your changes:

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What do you get when you subtract 1 from 22?