# Miscellaneous Symbols

## Mathematics Symbols

- See Algebra Symbols / Angle and Line Symbols / Basic Math Symbols / Bracket Symbols / Equivalence Symbols / Geometry Symbols / Greek Alphabet / Roman Numerals / Set Symbols / Square Root Symbols

## Mathematics Terms

- See Algebra, Geometry, Trigonometry

## Nomenclature & Symbols for Engineering, Mathematics, and Science

- See A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

## Postulates and theorems

- See Geometry Postulates
- See Geometry Theorems

## Miscellaneous Symbols

This is a list of the most common miscellaneous symbols:

Symbol | Definition | Example |
---|---|---|

\(a^n\) | power, an exponent | \(5^4 = 3125\) |

% | percent, \(1\)% \(= 1/100 \) | \(5\)% \(\times 4 = 0.2 \) |

\(\Phi\) | golden ratio | \(1 : 1.6180339887...\) |

\(\pi\) | Pi | \(\pi = 3.141592654... \) |

\(e\) | Euler's number constant | \(e = 2.718281828...\) |

\(\gamma\) | Euler-Mascheroni constant | \(\gamma = 0.5772156649...\) |

\(x!\) | fractional | \(5!=5\;x\;4\;x\;3\;x\;2\;x\;1=120 \) |

\(\int\) | integral, adding slices to find the whole | \(\int 2x \; dx\) |

\( \sum\) | sigma, summation or sum of all | \( \sum_{n=4}^8 n = 4+5+6+7+8=30 \) |

\(\exists\) | there exists | |

\(\nexists\) | there does not exists | |

\(\forall\) | for all | |

\(\infty\) | infinity | |

\(\propto\) | porportional to | \(\frac{1}{4} \propto \frac{2}{8}\) |

\(i\) | imaginary number | \(i=\sqrt{-1}\) |