math

Not a real math problem

The New York Times on mathematicians talking about their hatred for the the 8 ÷ 2(2+2) = ? “problem.”

Cheryl’s Birthday Problem and Information Filtering

I love seeing teasers about math and logic gain popular appeal! Here’s the math (specifically, logic) problem that the internet is talking about today: You can get the full problem nicely presented on either The Guardian or The New York Times websites. A number of other sites are talking about it today, too. Just Google “Cheryl …

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Meet Zequals, a mental math tool

Can some simple rounding help us be more accurate and confident with mental math? The man behind this symbol proposes just that: And it turns out it’s fairly accurate: Basically, using some simplification of numbers we can do mental multiplication more accurately (generally). Confused by the squiggles and colors? Don’t be intimidated. Read more: Zequals: the new …

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What is a “math person” anyway?

I’m struck by how many people will readily disavow their math skills with a single statement of “I’m not a math person.” You’ve heard it many times from friends, or perhaps from yourself. Maybe you’ve excused your way out of situations requiring calculation, geometrical thinking, or ratios. “I’m not a math person” seems like a …

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RIP Mandelbrot, Father of Fractals

“Mandelbrot set” may sound like complicated math. But many of us already recognize these sets as “fractals” — a term that Dr. Mandelbrot coined. I remember reading about the Mandelbrot set in college. I didn’t realize at the time that Mandelbrot was still alive. Then as I read the New York Times today I came …

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Beautiful & fun art + music + math

This is a hypnotic visualization of a music box. Watch and be mesmerized.

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