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• Mathematics Stack Exchange

  Q&A for people studying math at any level and professionals in related fields

• Tour - Mathematics Stack Exchange

  Teams Q&A for work Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams Welcome to Mathematics Stack ...

• Newest Questions - Mathematics Stack Exchange

  20 views For example, if $x = 2, y = 3, z = 5, N = 15$, then the numbers we can get are $0, 2, 3, 4, 5, 5, 6, 7, 8, 8, 9, 10, 11, 12, 13, 14, 15$, hence the numbe...

• notation - Difference between "≈", "≃", and "≅" - Mathematics Stack Exchange

  In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical Operators B...

• soft question - I want to start mathematics from scratch. What should I begin with? - Mathematics

  I've just finished high school but I don't feel my knowledge of mathematics is good enough. I'd like to start again from scratch, possibly adding a bit (a lot) of problem solving to it. What is t...

• How can I format mathematics here? - Help Center - Mathematics Stack Exchange

  How can I format mathematics here? Many posts at Mathematics Stack Exchange include mathematical notation, written using $\mathrm\LaTeX$ commands surrounded by dollar signs. If you see do...