Cheat Sheet #day4 - Unicode

Unicode Cheat Sheet

Unicode is a universal character encoding standard that provides a unique number for every character across different languages and scripts. It supports a vast range of characters, including symbols, emojis, and special characters. This cheat sheet provides a quick reference to commonly used Unicode characters and symbols.

Basic Latin Characters

• Space: U+0020
• Exclamation Mark: U+0021 (!)
• Quotation Marks: U+0022 (")
• Number Sign: U+0023 (#)
• Dollar Sign: U+0024 ($)
• Percent Sign: U+0025 (%)
• Ampersand: U+0026 (&)
• Apostrophe: U+0027 (')
• Parentheses: U+0028 ((), U+0029 ())
• Asterisk: U+002A (*)
• Plus Sign: U+002B (+)
• Comma: U+002C (,)

Mathematical Symbols

• Less-Than Sign: U+003C (<)
• Equals Sign: U+003D (=)
• Greater-Than Sign: U+003E (>)
• Division Sign: U+00F7 (÷)
• Multiplication Sign: U+00D7 (×)
• Plus-Minus Sign: U+00B1 (±)
• Infinity: U+221E (∞)
• Pi: U+03C0 (π)
• Square Root: U+221A (√)

Currency Symbols

• Dollar Sign: U+0024 ($)
• Euro Sign: U+20AC (€)
• Pound Sign: U+00A3 (£)
• Yen Sign: U+00A5 (¥)
• Indian Rupee Sign: U+20B9 (₹)

Arrows

• Left Arrow: U+2190 (←)
• Up Arrow: U+2191 (↑)
• Right Arrow: U+2192 (→)
• Down Arrow: U+2193 (↓)
• Left-Right Arrow: U+2194 (↔)
• Up-Down Arrow: U+2195 (↕)
• Right Arrow with Hook: U+21AA (↪)

Greek Alphabet

• Alpha: U+0391 (Α), U+03B1 (α)
• Beta: U+0392 (Β), U+03B2 (β)
• Gamma: U+0393 (Γ), U+03B3 (γ)
• Delta: U+0394 (Δ), U+03B4 (δ)
• Epsilon: U+0395 (Ε), U+03B5 (ε)

Box Drawing

• Light Horizontal: U+2500 (─)
• Light Vertical: U+2502 (│)
• Light Down and Right: U+250C (┌)
• Light Down and Left: U+2510 (┐)
• Light Up and Right: U+2514 (└)
• Light Up and Left: U+2518 (┘)
• Light Vertical and Right: U+251C (├)
• Light Vertical and Left: U+2524 (┤)
• Light Down and Horizontal: U+252C (┬)
• Light Up and Horizontal: U+2534 (┴)
• Light Vertical and Horizontal: U+253C (┼)

Miscellaneous Symbols

• Bullet: U+2022 (-)
• Middle Dot: U+00B7 (-)
• Ellipsis: U+2026 (...)
• Section Sign: U+00A7 (§)
• Copyright: U+00A9 (©)
• Registered: U+00AE (®)
• Degree: U+00B0 (°)
• Plus/Minus: U+00B1 (±)
• Micro: U+00B5 (µ)
• Paragraph: U+00B6 (¶)

Punctuation

• En Dash: U+2013 (--)
• Em Dash: U+2014 (---)
• Left Single Quotation Mark: U+2018 (')
• Right Single Quotation Mark: U+2019 (')
• Left Double Quotation Mark: U+201C (")
• Right Double Quotation Mark: U+201D (")

Emojis

• Smiling Face: U+263A (☺️)
• White Smiling Face: U+263A (☺)
• Thumbs Up: U+1F44D (👍)
• Heart: U+2764 (❤️)
• Star: U+2B50 (⭐)
• Fire: U+1F525 (🔥)
• Check Mark: U+2714 (✔️)
• Cross Mark: U+274C (❌)
• Warning Sign: U+26A0 (⚠️)

Mathematical Operators

• For All: U+2200 (∀)
• There Exists: U+2203 (∃)
• Nabla: U+2207 (∇)
• Element Of: U+2208 (∈)
• Not Element Of: U+2209 (∉)
• Union: U+222A (∪)
• Intersection: U+2229 (∩)
• Integral: U+222B (∫)
• Double Integral: U+222C (∬)
• Triple Integral: U+222D (∭)

How to Use Unicode Characters

• In HTML: Use the &#x or &# format.

  &#x03B1;   <!-- α (alpha) -->
  &#945;     <!-- α (alpha) -->
  

• In JavaScript: Use the \u format.

  console.log('\u03B1');   // α
  

• In Python: Use the \u format.

  print('\u03B1')   # α
  

Useful Resources

• Unicode Consortium: unicode.org
• Unicode Table: unicode-table.com
• Character Map (Windows): charmap utility to find and use Unicode characters.
• Emoji Picker (macOS): Press Ctrl + Cmd + Space to open the emoji picker.

This cheat sheet provides a quick reference to some commonly used Unicode characters and their codes, helping you easily incorporate a variety of symbols and characters into your projects.