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# Mike Byster

*Michael Byster*, often referred to as *Mike Byster*, (? - ) American stockbroker, arithmetician and math educator.

Byster used to work at the mercantile exchange, but after his cousin, a math teacher in a Chicago elementary school, invited him to show the class his shortcuts for doing base 10 arithmetic, Byster quit his job and income to devote himself to teaching children his methods. Byster married Robin and they have a son, Joshua, to whom he has taught his methods.

On the 20/20 newsmagazine show on ABC, Byster demonstrated some of his shortcuts for doing arithmetic without the aid of a calculator or even pencil and paper.

# 0.1 External links

About Mike from mikesmath.com

20/20 story on Mike Byster from abcnews.com

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Apr 15

new question: Prove a formula is part of the Gentzen System by LadyAnne

Mar 30

new question: A problem about Euler's totient function by mbhatia

new problem: Problem: Show that phi(a^n-1), (where phi is the Euler totient function), is divisible by n for any natural number n and any natural number a >1. by mbhatia

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new image: plot W(t) = P(waiting time <= t) (2nd attempt) by robert_dodier

new image: expected waiting time by robert_dodier

new image: plot W(t) = P(waiting time <= t) by robert_dodier

new question: Prove a formula is part of the Gentzen System by LadyAnne

Mar 30

new question: A problem about Euler's totient function by mbhatia

new problem: Problem: Show that phi(a^n-1), (where phi is the Euler totient function), is divisible by n for any natural number n and any natural number a >1. by mbhatia

new problem: MSC browser just displays "No articles found. Up to ." by jaimeglz

Mar 26

new correction: Misspelled name by DavidSteinsaltz

Mar 21

new correction: underline-typo by Filipe

Mar 19

new correction: cocycle pro cocyle by pahio

Mar 7

new image: plot W(t) = P(waiting time <= t) (2nd attempt) by robert_dodier

new image: expected waiting time by robert_dodier

new image: plot W(t) = P(waiting time <= t) by robert_dodier