15 lines
1.0 KiB
HTML
15 lines
1.0 KiB
HTML
<h3>Greek Numerals</h3>
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<p>Greek numerals are a decimal system that uses letters of the Greek alphabet to represent numbers. Known as Ionian or alphabetic numerals, this system was adopted around the 4th century BC.</p>
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<h3>How it works</h3>
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<p>Letters are assigned values from 1 to 9 (units), 10 to 90 (tens), and 100 to 900 (hundreds). A special mark (´, keraia) is placed after the number. Thousands are indicated by a subscript mark (͵) before the units letter.</p>
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<h3>Units (1–9)</h3>
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<div class="theory-example">α β γ δ ε ϛ ζ η θ</div>
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<p>(α=1, β=2, γ=3, δ=4, ε=5, ϛ=6, ζ=7, η=8, θ=9)</p>
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<h3>Tens (10–90)</h3>
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<div class="theory-example">ι κ λ μ ν ξ ο π ϟ</div>
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<p>(ι=10, κ=20, λ=30, μ=40, ν=50, ξ=60, ο=70, π=80, ϟ=90)</p>
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<h3>Hundreds (100–900)</h3>
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<div class="theory-example">ρ σ τ υ φ χ ψ ω ϡ</div>
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<p>(ρ=100, σ=200, τ=300, υ=400, φ=500, χ=600, ψ=700, ω=800, ϡ=900)</p>
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<h3>Example</h3>
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<div class="theory-example">ηπε = 8 + 80 + 5 = 93’</div> |