# Appendix B - Symbols

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ou will often come across symbols in mathematics that you don’t know the meaning of. This appendix is designed to help you work out what a mathematical symbol means, knowing only what it looks like. A lot of mathematical notation involves how expressions are arranged around each other, so I need a ‘wild card’ symbol to stand for any mathematical expression; I’ve chosen $\clubsuit$. Go to the first section that fits your symbol in the list below: