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This Wooden Poster Counts Pi to 16,500 Digits: Pi r Rectangular

3.141592653589793… etcetera, etcetera. Math nerds love to geek out about how many digits of Pi they’ve memorized. 15 digits is about where my brain gives out, but there are folks out there who know hundreds or even thousands of digits. If you want to brush up your Pi knowledge on a daily basis, you might want to consider adding this neat piece of art to your wall.

Sweden-based Induku Design makes this sweet laser-engraved wooden poster which is engraved with the first 16,500 digits of the never-ending irrational number.

The lauan wood print measures 30 x 40 cm – or approximately 11.8 x 15.75 inches, so it’s a nice size to fill in that empty spot you have on the wall over your desk. If you look at it up close, you can see that each digit has a little bit of depth and texture to it too, since it’s engraved rather than just printed on the wood.

The poster is just $49 over on Etsy, which is a totally rational number if you ask me.

Numworks Updates the Graphing Calculator for the 21st Century

When I was in school, the best calculator you could get would be one of those crazy expensive HP-10C’s which offered some very fancy math abilities that I never fully understood, but the smartest students were using them, so they must have been good. That said, the HP-10C’s tiny LCD screen couldn’t come close to this new calculator from Numworks.

The Numworks Graphing Calculator is designed to help high school students learn and solve math problems, and includes a variety of built-in programs for different math scenarios. It’s got apps for calculation, functions, sequences, probability, statistics, and regression, as well as a tool for designing and executing Python algorithms.

Unlike smartphone and tablet apps, this is something students can safely use in class, without risk of going online and Snapchatting instead of doing their schoolwork.

It’s got a 2.8″ full color, backlit LCD screen with a 320×240 resolution for easy viewing of graphs and calculations. Sadly, it’s not a touchscreen, and must be navigated using the buttons below the display. Still that’s a minor drawback given its capabilities. Battery life is rated at 20 hours.

Priced at just $99.99(USD), it packs a whole lot of functionality without breaking the bank like the old HP-10C once did. You can test out how the Numworks calculator works right now using their online simulator.

[via Engadget]