A half

a half (often represented by ½ or 1/2 ) is the irreducible Fraction resulting from the division of 1 by 2.

Properties

  • ½ is a rational Nombre.
  • Multiplier a number by ½ returns to the to divide by 2.
  • Elever a number with the power ½ amounts calculating the square Racine of this one.

Representations

  • Binary: 0,1 or 0,0111111…

  • Decimal: 0,5 or 0,4999999…
  • Hexadecimal: 0,8 or 0,7FFFFFF…
  • Fraction continues: 1,1 or 2

Data-processing coding

This fraction has a character with whole share, “½”:

See too

half hémi semi
  • Fraction

Simple: Half

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