# Re: Hash & keys

**URL:** <https://www.ruby-forum.com/t/re-hash-keys/72021>\
**Category:** Ruby\
**Created:** [October 13, 2006, 5:41pm UTC](https://www.ruby-forum.com/t/re-hash-keys/72021 "2006-10-13T17:41:34Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![phrogz](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/p/2acd7d/32.png) [@phrogz](https://www.ruby-forum.com/u/phrogz)\
**Post date:** [October 13, 2006, 5:41pm UTC](https://www.ruby-forum.com/t/re-hash-keys/72021/1 "2006-10-13T17:41:34Z")

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From: Rick DeNatale [[mailto:removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)]

> It appears to be a typo in Matrix.rb - This is in ruby1.8.4:

LOL, nice find. I was ri’ing Vector and was wondering what eqn? was for.  
🙂