# Long Division — Just Write the Answer Oct 2021

Five Easy Inverses (marked) What is 44/201? (marked) Hey Wolfram Alpha, what is 44/201? Five Easy Inverses (unmarked) What is 44/201? (unmarked) References Dr. Aitken was both a mathematician and a mental calculator. His prowess is described in the first link below (about halfway down the page). https://mathshistory.st-andrews.ac.uk/HistTopics/Mental_arithmetic/ And here’s a second link — well […]

# Long Division Simplified Oct 2021

Problem 1 Problem 2 References Dr. Aitken was both a mathematician and a mental calculator. His prowess is described in the first link below (about halfway down the page). https://mathshistory.st-andrews.ac.uk/HistTopics/Mental_arithmetic/ And here’s a second link — well worth reading. https://cowles.yale.edu/sites/default/files/files/pub/d17/d1750.pdf

# Mathpix Snip Sep 2021

Take a photo of a handwritten math problem and get the LaTeX code from your smartphone (or computer) Take a photo on the iPhone, and crop it. Submit and voilá. Here’s the LaTeX code (I added code shown in red to remove the equation number): $$$\therefore R_{1}=\left(\frac{q a}{2}\right)\left[2-\alpha^{2}(1+\beta)\right]$$$

# Protected: Parsing Feet Inches Sixteenths (FIS) Jun 2021

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# Mathematics — Corner Case — The Hallway Problem Feb 2021

General solution Extent of beam path (1)Reference: https://en.wikipedia.org/wiki/Line-line_intersection Extent of beam path (2) Extent of beam path (3) Extent of beam path (4) Finite width beam (1) Finite width beam (2) Finite width beam (3) Finite width beam (3)