½

Vulgar Fraction One Half

ASCII Code: 189Category: numbers

The one-half symbol (½) represents the fundamental fraction of equal division, essential for cooking, measurements, mathematics, and everyday proportional thinking.

Technical Details

ASCII Code
189
HTML Entity
½
Hexadecimal
0xBD
Binary
10111101
Octal
275

Usage & Examples

Programming

char symbol = '½'; // ASCII 189

HTML/Web

½ or ½

Common Uses

fractionhalf

How to Type This Character

Windows

Alt Code:
Hold Alt and type189 on numeric keypad
Character Map:
Search "Character Map" in Start menu

Mac

Character Viewer:
Press Ctrl +Cmd +Space
Copy & Paste:
Easiest method - copy from this page!

💡 Pro tip: The fastest way is to bookmark this page or copy the character from our ASCII library!

About the Vulgar Fraction One Half

Culinary Applications

Indispensable in cooking and baking where precise measurements determine recipe success. The half symbol appears in ingredient lists, portion sizes, and nutritional information, making it essential for food preparation and dietary planning.

Mathematical Foundation

Represents the most basic fraction concept, teaching proportional thinking and decimal relationships (0.5). Essential for introducing fractions in education and fundamental to understanding ratios, percentages, and mathematical literacy.

Measurement Systems

Critical for imperial measurements (½ inch, ½ pound) and metric approximations. Enables precise specification in manufacturing, construction, and scientific measurements where half-units are standard.

Everyday Usage

Appears in time expressions (half past), pricing (½ price), and common descriptions that require proportional language. The symbol facilitates clear communication of divided quantities across cultures.

History of the Vulgar Fraction One Half

3000 BCE

Ancient Fractions

Ancient Egyptian mathematics used fraction notation for practical calculations, with half being the most fundamental division concept in early civilizations.

300 BCE

Greek Mathematics

Greek mathematicians formalized fraction notation and geometric concepts of division, establishing half as a fundamental mathematical relationship.

1200s

Medieval Manuscripts

Medieval scribes developed abbreviated notation for common fractions, with half being among the first to receive symbolic representation in mathematical texts.

1400s

Printing Press

Early printed books standardized fraction symbols including ½, making mathematical notation consistent across European education and commerce.

1875

Unicode Development

Modern character encoding systems included the half symbol, ensuring its availability in digital typography and computer systems worldwide.

Cultural Impact

The half symbol embodies the human understanding of equal division and fairness, representing concepts of balance, sharing, and proportional thinking that are fundamental to social cooperation and mathematical literacy.

Usage Examples

Cooking & Recipes

Example
½ cup flour, ½ teaspoon salt, ½ pound ground beef

Standard culinary measurements and ingredient specifications

Time & Scheduling

Example
Meeting at half past two (2:30), ½ hour lunch break

Time expressions and duration specifications

Mathematics Education

Example
½ = 0.5 = 50%, Fraction addition: ½ + ¼ = ¾

Fundamental fraction concepts and mathematical relationships

Measurements

Example
½ inch screws, ½ meter fabric, ½ gallon container

Imperial and metric measurement specifications

Loading privacy settings...