# Browsing category podcasts

## Wrong, But Useful: Episode 42

On this month's episode of Wrong, But Useful, @icecolbeveridge and @reflectivemaths are joined by special guest co-host @christianp. This time, we talk about: Christian, who is involved in @mathsjam and the @aperiodical, and has a number of the podcast: 13. He dislikes it because of its times table; I like

## Wrong, But Useful: Episode 41

This month on Wrong, But Useful, @reflectivemaths and @icecolbeveridge are joined by @evelynjlamb, who is Evelyn Lamb in real life. She writes the Roots Of Unity column for Scientific American. We discuss: How Evelyn got into maths, into writing and into France Evelyn picks the numbers of the podcast: 339,613

## Wrong, But Useful: Episode 40

In this episode of Wrong, But Useful: @reflectivemaths and I are joined by special guest co-host Elizabeth A. Williams, who is @realityminus3 in real life (and Zeke, who is Zeke everywhere) Dave picks 367 as number of the episode, as it's the largest number whose square has digits in strictly

## Wrong, But Useful: Episode 39

In this month's Christmassy episode of Wrong, But Useful, @reflectivemaths and I discuss: Number of the podcast: 9 Shout outs to: @aap03102 (Chris Smith) for his maths newsletter @mathistopheles (Thomas Oléron Evans) and @fryrsquared (Hannah Fry) for sending me a copy of their book @chalkdustmag for the lovely card @fryrsquared

## Wrong, But Useful: Episode 38

It’s your annual Wrong But Useful Big MathsJam Special! Recorded live, so the audio is a bit shaky in parts. @icecolbeveridge, @reflectivemaths and @peterrowlett discuss Tantrix with some excited background chatter Colin interviews @teakayb (Tom Briggs in real life), who’s at MathsJam with an Enigma machine @pecnut and @mscroggs (Adam

## Wrong, But Useful: Episode 37

In the October episode of Wrong, But Useful, @icecolbeveridge and @reflectivemaths have their habitual chat. Dave insults mechanics, then gets stroppy about Colin insulting stats The number of the podcast is 16, 40 and 64, because one number isn't enough for Dave Dave visits a fete and gets ripped off

## Wrong, But Useful: Episode 36

In this month's episode, @reflectivemaths and @icecolbeveridge discuss: Dave is baffled by the idea of the Anniversary Games but happy to have a reduced workload We agree on the name and age of the podcast Number of the podcast: 36, the smallest non-trivial square triangle number. Colin has a new

## Wrong, But Useful: Episode 35

In this month's Wrong, But Useful, Dave and Colin discuss: Colin gets his plug for Cracking Mathematics in early Colin is upset by a missing apostrophe Dave teases us with the number of the podcast and asks about the kinds of things it's reasonable to expect students to know, and

## Wrong, But Useful: Episode 34

In this month's podcast, @reflectivemaths and I discuss: Colin's book being available to buy Number of the podcast: Catalan's constant, which is about 0.915 965 (defined as $\frac{1}{1} - \frac{1}{9} + \frac{1}{25} - \frac{1}{49} + ... + \frac{1}{(2n+1)^2} - \frac{1}{(2n+3)^2} + ...$). Not known whether it’s rational. Used in combinatorics

## Wrong, But Useful: Episode 33

In Episode $n$ of Wrong, But Useful (where $n$ is a semiprime followed by two semiprimes and a square), @reflectivemaths and I discuss: Colin's trip to Center Parcs and whether it is sufficiently central The number of the podcast, which is the tetrahedral angle, $\arccos\left(\frac{1}{3}\right)$ The Other Half podcast Our