Recent content by DrGreg

It looks to me like people might be taking a screendump of their entire phone screen, and don't know how (or can't be bothered) to select the part of the screen that is relevant.

It's also worth mentioning that, although ## \Sigma x_n - \Sigma y_n ## and ## \Sigma( x_n - y_n )## are mathematically identical, computationally they could be significantly different when working with limited precision.

No, it has 10.

The version of the bird joke that I know goes as follows. A man is in court charged with shooting a golden eagle, which is illegal in the UK. He eventually convinces the magistrate that it was an accident, and is found not guilty. The magistrate then asks, out of curiosity, what he did with the...

Maybe it has crossed my mind that I'm a sexagenarian, but I've forgotten.

➖ ➕ ➗ ✖ Go fourth and multiply.

People who have been filled with helium speak very highly of the experience.

How can we trust driverless cars if they can't recognise traffic lights?

Reminds me of the old joke: Person doing crossword: "Often found on the bottom of a birdcage, 4 letters: something something I T" "GRIT" "Has anyone got an eraser?"

I observe that ##998001 = 999^2##, so I suspect the result might generalise for ##1 / (10^n-1)^2## for other values of ##n##.

My other friend's motto was "fight fire with fire". And that's why he was fired as a firefighter.

My friend's motto was "When one window closes, another one opens". And that's why he was fired as a programmer.

For British readers, that joke also works for "pantomimes". Oh no, it doesn't. Oh yes, it does.

This is a rare example of a number-related date that works for the whole world. Usually number-related dates work either in the U.S. only (e.g. 3/14) or else everywhere except the U.S. (e.g. 22/7).

My wife ran off with the man next door. I do miss him. A Les Dawson joke