So, you wish you had a quick reference for Greek Letters & Symbols and how to type them on a Mac – here you go.. Click on the link to download infographic…

### Alpha – α

Independent number in a graph.

### Beta – β

Standardized regression coefficient or predictor of independent variables.

### Delta – Δ

Difference or Change in a variable

### Theta – θ

Mean Time Between Failure

### Lambda – λ

One wavelength of electromagnetic radiation

### Mu – μ

Micro – prefix meaning 10^{-6} one millionth

### Sigma – Σσ

Summation operation for capital Sigma Σ or Standard Deviation using lower-case Sigma σ

### Omega – Ω

Measure of Electrical Resistance, or Ohm.

**Plus-Minus – ±**

Plus or Minus

**Therefore – .˙.**

**Approximate – ≈**

**Not Equal – ≠**

**How to type symbols on a Mac OS keyboard.**

™ | trademark | Option + 2 |

£ | pound | Option + 3 |

¢ | cent | Option + 4 |

∞ | infinity | Option + 5 |

§ | section | Option + 6 |

¶ | paragraph | Option + 7 |

• | dot | Option + 8 |

€ | euro | Shift + Option + 2 |

° | degree | Shift + Option + 8 |

¥ | yen | Option + y |

÷ | division | Option + / |

± | plus/minus | Option + = |

≥ | greater than or equal to | Option + > |

≤ | less than or equal to | Option + < |

√ | square root | Option + v |

π | pi | Option + p |

≈ | approx. | Option + x |

∆ | delta | Option + j |

∑ | sum | Option + w |

Ω | ohm | Option + z |

µ | micro | Option + m |

© | copyright | Option + g |

® | registered | Option + r |

† | dagger | Option + t |

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