## Mega da Virada 2021 and the supposed “greatest prize in history”

These days there was a news in the newspaper referring to the Mega-Sena and the award known as Mega da

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## Linear Splines and Pokemons

Splines are mathematical functions used for interpolations (connecting points) in the plane. If we want to connect the points by

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## What is the size and weight of God (the character of One Punch Man)?

The end of chapter 153 of One Punch Man was marked by the appearance of a character linked to several

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## Computational Thinking and Gender

A few weeks ago I was challenged by Professor Mauricio Rosa, from the Faculty of Education at the Federal University

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## Pythagoras in Shaman King

I was happy watching Shaman King (2021) when right in the first episode, I saw something that I couldn’t ignore…

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## At Zero we read “Einstein: o que você quer saber?” by Robert Snedden

I remember the walls of a school where I worked a graffiti by Einstein and the formula E = mc².

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## Birthday Paradigm in Leap Year

The birthday paradigm is a very interesting conditional probability result. You will easily find a blog on the internet explaining

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## The challenge at the gate of the abyss

In the early 70’s when the popularity of chess was on the rise in the world, a rumor emerged among

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## At Zero we read “Matemática: o que você quer saber?” by Anne Rooney

Interesting how in the history of Mathematics we see that several discoveries (let’s call it that) occurred in completely independent

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## At Zero we read “A História da Matemática” by Anne Rooney

Recalling my graduation in Mathematics at USP, I realize how things are presented to us in a direct and final

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## Instant Cube

I don’t ask you to accept anything if you feel there is no basis for it. Soon everyone will agree

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## Regular π-sided polygon?

This week I was talking to my friend Pavel, when I commented on how cool regular polygons would be with

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## Drag the X

In some posts on this blog I’ve already told you a little about what I research on theorem proofs (My

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## Do you know ProofWiki?

In several posts on this blog we have already talked about the role of proof for mathematicians and related fields

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## Poincaré baguettes

“As Baguettes de Poincaré” is a famous anecdote that has gone through many names and characters. The version of which

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## Crochet and the two-color theorem

The entire math community is familiar with the famous 4 Color Theorem. Its statement states that any map, drawn on

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## The Doppelganger

In the early 1910s, when aristocrats from European countries were murdered every few weeks, authorities began to fear the roots

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## Demonstrate theorems and earn chocolates

So, you do math, right? So try to demonstrate this property… The sentence above is frightening, even for trained mathematicians.

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## The Pi number in Enen Shouboutai

At the end of chapter 118 of the Enen Shouboutai manga, the characters find in the ruins of an “ancient

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