Member Since October 16, 2009 , From United States
About PGroot:

Mathematician, computer researcher


Recent Activity by PGroot

Commented: About Anonymous's answer

You misspelled Dummkopf and verstehen.

Commented: About PGroot's answer

And I can spell Jawohl, mein herr.

Commented: About PGroot's answer

I do not speak German, but I know a few phrases.

Commented: About PGroot's answer

Evaluation wasn't the question. The only question was how to rationalize the denominator, which means getting rid of square roots in the denominator. I did that.

Commented: About Harley Spirit's answer

More than 90% of black votes went to Obama in 2008 and 2012.

Commented: About PGroot's answer

Republicans were 89% white in 2012, 2% black. Democrats were 60% white, 22% black, 13% Hispanic.

Commented: About Philo T. Manke's answer

A black hole with its strong gravitational field causes gravitational lensing. A more distant galaxy may appear duplicated or turned into an arc as a result of a black hole or galaxy cluster bending ...

Commented: About PGroot's answer

I'll keep it brief. The moon is in an elliptical orbit around the earth, or more precisely, about their common center of mass. That common center of mass is within the earth, about 73% of the way ...

Commented: About Anonymous's answer

Renner, Elden Junior, American Values, Trampo, Bill Jones, Harley Spirit, Anne Southern, Philo T. Manke, Fred Guenther, Justice, Chiv Warrior are all aliases of Mike Dykes, who also posts under ...

Commented: About Justice's answer

Many Methodist Churches support gay marriage. Is that "doing the right things for the right reasons"? Or are the Methodist churches that condemn homosexuality "doing the right thing"?

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