![]() Iota, pronounced 'eye-oh-ta': Ι, ι - used in the English saying "not one iota of difference" to mean "almost identical". Zeta, pronounced 'zeeta': Ζ, ζ - the 6th letter of the alphabet (not the last) Hopefully this list of Greek letters (with their common letter-name pronunciations in English, not necessarily how the Greeks pronounce them) will help you. As such, they are more difficult to remember (and some of them are difficult to pronounce!). You usually only see the following Greek letters in university-level mathematics. Rho is also used in spherical polar coordinates to represent the radius. The density of an object is represented by rho ( ρ, upper case: Ρ). Upper case sigma ( Σ) is used for "sum" (see Summation Notation) and lower case ( σ) is used for the standard deviation of a population measure in statistics. You'll come across sigma in probability and statistics. Next up is lambda ( λ, upper case: Λ) which is used for the wavelength of a periodic wave. The 5th Greek letter ε ( epsilon) is also used in calculus to mean "an extremely small quantity - almost zero". So δ x (or Δ x) means "a small change in x". It often means "a small change in" a quantity. So for example, a human hair has width of about 50 μm.ĭelta ( δ, upper case: Δ) is used a lot when writing about differentiation in calculus. In Scientific Notation we use mu ( μ), for the prefix "micro" or 10 -6. (See Applications of radians.) O-mega means "big O". The unit for resistance is ohms ( Ω) and the angular velocity of an object rotating on an axis is written ω and the units are usually radians/second. The 24th and last letter of the Greek alphabet, omega ( ω, upper case: Ω) is commonly used in electricity. You'll also come across upper case gamma ( Γ) as a variable, or as a function name. The first 3 letters of the Greek alphabet, α ( alpha), β ( beta) and γ ( gamma) are also used in trigonometry as variables for angles. Phi is also the symbol used for the Golden Ratio (1.618. Trigonometry makes great use of θ ( theta) as a variable for angles and also in statistics.Ī close runner-up for angles is phi (lower case: φ, upper case: Φ). Probably the first Greek letter any of us come across is π ( pi), the value we get from dividing the circumference of a circle by its diameter. Importantly (for its common use in mathematics), Greek was used widely for publishing scientific discoveries during the European Renaissance (15th century).It was the official language of the Byzantine Empire (the Roman civilisation centred on Constantinople − present-day Istanbul in Turkey − 380 to 1483 CE) which stretched around most of the Mediterranean and the Middle East.The early Christian writers used Greek and one passage says God is the "Alpha and Omega" ( Α and Ω, the first and last letters of the Greek alphabet) to mean he is the beginning and the end Greek was used across the Middle East and as far away as India during the Hellenistic Period (330 BCE to 100 CE).Greek (ελληνκα) is probably the oldest European language (spoken for 4000 years and in written form for 3000 years).Symbols group and click Symbol, then More Symbols.Α β γ δ ε ζ η θ ι κ λ μ ν ξ ο π ρ σ τ υ φ χ ψ ω HOW TO GET THE GREEK LETTER RHO IN WORD HOW TOHere’s how to learn the keyboard shortcut code for a particular symbol or character in Word:ĭisplay the Symbols dialog box, go to the Insert tab, in the This way you can insert symbols by typing them on your keyboard instead of using the Symbol dialog box. How to find the keyboard shortcut for symbols in wordĬan use the Symbol dialog box to find the character code (or keyboard shortcut) In the next section, you’ll learn how to get the shortcut to any symbol into your Word document. Instead, you should make a note of the symbols or characters you use very often. How do you remember the number for each symbol?Īlmost impossible to remember.
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