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This is the 14th video in a series of 21 by Dr Vincent Knight of Cardiff University. Here we present a list of algebraic operators commonly used in LaTeX equations. These include: $a+b$ $a-b$ $-a$ $a\cdot b$ $a\times b$ $a/b$ ${a\over b}$ $\frac{a}{b}$ The final two in the list both show how to write fractions in LaTeX; the use of \frac is more widely used than \over. In the next two videos we'll see how to include integrals and matrices. To try this for yourself, click here to open the 'Operators' example.