# Mental Math Shortcuts or Tricks

**URL:** <https://boards.straightdope.com/t/mental-math-shortcuts-or-tricks/205924>\
**Category:** Miscellaneous and Personal Stuff I Must Share\
**Created:** [October 6, 2003, 8:28pm UTC](https://boards.straightdope.com/t/mental-math-shortcuts-or-tricks/205924 "2003-10-06T20:28:56Z")\
**Posts on this page:** 1\
**Page:** 2

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**Author:** ![SpectBrain](https://avatars.discourse-cdn.com/v4/letter/s/a87d85/32.png) [@SpectBrain](https://boards.straightdope.com/u/SpectBrain)\
**Post date:** [October 7, 2003, 2:35pm UTC](https://boards.straightdope.com/t/mental-math-shortcuts-or-tricks/205924/21 "2003-10-07T14:35:40Z")

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If you’re interested in learning a lot of mental shortcuts check out  
[Trachtenberg’s methods](http://hucellbiol.mdc-berlin.de/~mp01mg/oldweb/Tracht.htm) . I read his about his methods years ago.

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