Monday is One Day

The Math Circle resumes this weekend for the topic: “Monday is One Day”. My birthday was on a Monday this year – I really hate that… but it will be on a Saturday in 2024 – much nicer! Following the approach of mathematician John Conway,  we will learn how to apply modulo 7 mental arithmetic

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Arithmetic Without Numbers

Please join us as the Math Circle meets this Saturday to consider Arithmetic Without Numbers. We’ll learn how to add, subtract, multiply, divide, and take square roots, without writing down any numbers or calculations. We’ll just use a piece of wood and a bit of string, along with an all-time classic math book. When: Saturday

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Math Circle goes to Exeter

The Math Circle is going to the Exeter Math Club Competition on January 25th. We are fielding 3 teams of 4 members each. Look for an email with the team assignments. Here is relevant information: Where: Powell Hall Music Center, Phillips Exeter AcademyWhen: Plan to arrive before 9:30 am for registration. The contest runs until

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Babylon and on

The Math Circle kicks off the spring term… Don your Sola Topee as we conduct an archeological/mathematical exploration of ancient Mesopotamia. Join us at the Math Circle: Nashua Public LibrarySaturday January 11th 9:30-11:30AMFree of charge

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Logical Arithmetic

What math can we do with only two numbers? We are going to investigate and apply modulo two arithmetic. If you’re unfamiliar with this, it might sense to study the addition and multiplication tables for mod 2 beforehand, and commit them to memory: Math CircleNashua Public LibrarySaturday November 23 9:30-11:30AMFree of Charge

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HMMT Online Competition

The Math Circle is participating in the online version of the Harvard-MIT Math Tournament! If you would like to participate and have yet to sign up, please RSVP ASAP. Harvard-MIT Math TournamentCongregational Church of Hollis3 Monument Square Hollis NH 03049(enter through side door into the office)Saturday November 9th, 12:30pm to 4pm For the event, you

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New Old Ways to Multiply

There’s more than one way to multiply! We’ll look at three methods different from the one you learned in school, invented in ancient times (2000BC, 1600BC, 1960AD). Then we will discuss a new method invented in March 2019 by a pair of mathematicians from France and Australia. Math CircleNashua Public LibrarySaturday November 2 9:30-11:30AMFree of

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