📐
Octal System
★★☆☆☆Middle School
📖Definition
A number system using digits 0 through 7.
📐Formulas
(aₙa_n-1...a₁a₀)₈ = ∑_i=0ⁿ aᵢ · 8ⁱ
Octal to decimal conversion
✏️Examples
예제 1★☆☆☆☆
Convert octal 752₈ to decimal.
예제 2★★☆☆☆
Convert binary 110101₂ to octal.
⚡Applications
Unix/Linux
File permissions (e.g., chmod 755)
Computer Science
Compact binary representation
🔗Related Documents
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⚡Applications
#number-system#octal#computing#intermediate