Math

Questions and Answers

I was wondering what you can omit from the golden rectangle so that you get a golden rectangle again?

Questions and Answers

How do I convert hectares to square kilometers?

Questions and Answers

Why did it take so long to invent the number zero?

Questions and Answers

How do I calculate the number of combinations of ABCDEFGIJK and how do I write this out in Excel, also for larger groups?

Questions and Answers

What is the relative and what is the absolute error in this question?

Questions and Answers

What is the inverse rule of 3?

Questions and Answers

How is the ‘positive sentence’ defined?

Questions and Answers

Is the cardinality of the real numbers really aleph-1, or is that an axiom?