To subtract -2 from 4, start at number 4 on a number line, and count to the right. So, \(4 - (- 2) = 6\).

Mathematician Gauss left behind a trophy case of mathematical achievements to highlight on his tombstone, but above all he ...

I’m teaching Edinburgh’s undergraduate Axiomatic Set Theory course, and the axioms we’re using are Lawvere’s Elementary Theory of the Category of Sets — with the twist that everything’s going to be ...

By bringing in negative numbers, we have solved our subtraction problem. 3 - 8 is just -5. Putting together the positive numbers, zero, and our new negative numbers, we get the integers ...

The GCD function, known as the greatest common divisor, returns the largest integer, which is a factor of all integers. LCM gives the new denominator for adding or subtracting fractions with ...

Of course, if you have addition and negative numbers, you already have subtraction. This is perfect for simple CPUs and FPGAs. [Hamster] not only has the VHDL code but also provides a C version if ...

I spoke to a wide range of educators at the recent ISTE conference and I was reminded why creativity and math curriculum go ...

For example, consider a method for sorting an array of integers. You want to sort the array in ascending or descending order, based on comparisons between pairs of array elements. You might ...

It's all just addition, subtraction, multiplication ... For a child that is 10-14 connect positive and negative numbers with the concepts of assets, liabilities, and not spending more than you have.

Text, numbers, formulas, and more are entered into cells to create a spreadsheet A spreadsheet stores, organizes, and ...

When you're working on a text document and making sure to cite your sources, it's helpful to have a way to keep your footnotes organized and in order. And footnotes can be useful for functions ...