In THIS episode... * Matt has found the last number. * How do you determine which day of the week a given date falls on if you know the day of another date? * And some other international business. If you'd like to see Bec and Matt at An Evening of Unnecessary Detail IN NEW YORK, get tickets here: https://festivalofthespokennerd.com/show/an-evening-of-unnecessary-detail/ This is your 10 day call, this link closes on the 20th of April! -- Roll up! roll up! The limited edition Millionth Download Commemorative Plates and / or Bowls are here. You can ORDER them here: Plate: https://achievefulfilment.onwarehouse.app/preorders/new?campaign_id=y696c5w Bowl: https://achievefulfilment.onwarehouse.app/preorders/new?campaign_id=wzv5cew If you want to find out more about the Solar Eclipse Matt's going to see in Aus, do that here: https://www.australiascoralcoast.com/products/ningaloo-eclipse#:~:text=On%20April%2020%2C%202023%20visitors,a%20total%20solar%20eclipse%20occurs. Matt explains this tweet to Bec in our first problem: https://twitter.com/standupmaths/status/1354919418300657669 And here is the offending, and very funny, website they reference - Visual Fractions: https://visualfractions.com/calculator/factorial/what-is-the-factorial-of-170/ If you'd like to find out which Muppet YOU are, just speed ahead of Matt and Bec and find that out here: https://www.buzzfeed.com/jenlewis/which-muppet-are-you. Send your problems and solutions to our website: aproblemsquared.com. And, finally, if you want even more from A Problem Squared, find us on Twitter and Instagram.