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Training neural network using Nelder-Mead algorithm on TI Nspire

In this installment the Nelder-Mead method is used to train a simple neural network for the XOR problem. The network consisted of 2-input, 1-output, and 2 hidden layers, and is fully connected. 138 more words

TI Nspire CX CAS

The Best Calculators by Grade Level

Before we talk about the best calculators out there, I want to address the use of calculators. I hold onto the idea that you really shouldn’t use a calculator on a regular basis. 560 more words

Math

45-Year Old Nixie Calculator Turned UDP Server

In this beautiful and well-documented reverse engineering feat of strength, reverse-engineered a 1971 Singer calculator to gain control of the fabulous Nixie tubes inside. Where a lesser hacker would have simply pulled the tubes out and put them in a more modern housing, kept it all intact. 141 more words

Classic Hacks

No Accidents here.#6 OUT OF 9 WAYS TO LOSE THE STUPID LBS.: ON PURPOSE.

JULY 11. I hate accidents. Like falling off of my skateboard, or spilling hot chocolate on my white blouse. But some accidents can be beautiful, say, ending up at a really cool organic coffee cafe because my favorite shut down unexpectedly, running into a friend because I walked a different street home. 889 more words