Category: R

Le Monde puzzle [#1133]

A weekly Monde current mathematical puzzle that reminded me of an earlier one (but was too lazy to check): If ADULE-ELUDE=POINT, was is the largest possible value of POINT? With...continue reading.

Watercolors

Moça do corpo douradoDo Sol de IpanemaO seu balançadoÉ mais que um poema(Garota de Ipanema, João Gilberto) Sometimes I think about the reasons why I spend so many time doing...continue reading.

The Waffle House Index

Waffle House announced it was closing hundreds of stores this week due to SARS-Cov-2 (a.k.a COVID-19). This move garnered quite a bit of media attention since former FEMA Administrator Craig...continue reading.

Le Monde puzzle [#1134]

A weekly Monde current mathematical puzzle on gcd’s and scm’s: If one replaces a pair (a,b) of integers with the pair (g,s) of their greatest common denominator and smallest common...continue reading.

one or two?

A superposition of two random walks from The Riddler: Starting from zero, a random walk is produced by choosing moves between ±1 and ±2 at each step. If the choice...continue reading.