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Ionic Number Systems (ROUGH DRAFT) : Numeral Value Name Numeral Value Name Numeral Value Name

The Ionic number system represents numbers using letters of the Greek alphabet, with each letter corresponding to a numeric value. For example, ? represents 1, @ represents 10, and A represents 100. Numbers were written by combining the letters for individual values. So >?TPH would have the value 1764. This system was used in ancient and modern Greece as a way to represent numbers similar to how Roman numerals are still used today.

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220 views1 page

Ionic Number Systems (ROUGH DRAFT) : Numeral Value Name Numeral Value Name Numeral Value Name

The Ionic number system represents numbers using letters of the Greek alphabet, with each letter corresponding to a numeric value. For example, ? represents 1, @ represents 10, and A represents 100. Numbers were written by combining the letters for individual values. So >?TPH would have the value 1764. This system was used in ancient and modern Greece as a way to represent numbers similar to how Roman numerals are still used today.

Uploaded by

Brasil Terraplanista
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Ionic Number Systems (ROUGH DRAFT)

The Ionic (or Melesian or Greek Alphabetic) Number System is based on the values listed in the following table.

Numeral Value Name Numeral Value Name Numeral Value Name


! 1 " 10 # 100

$ 2 % 20 & 200

' 3 ( 30 ) 300

* 4 µ 40 + 400

, 5 - 50 . 500

/ (later 0) 6 digamma 1 60 2 600

3 7 4 70 5 700

6 8 7 80 8 800

9 9 : (or ;) 90 koppa < (once = ) 900 san (or sampi)

Example 81/ has value 866.

For multiples of 1000, just use ! to " with a mark before it (often on the lower left). So #$ signifies 3000.

For example, >,):$ has value 5392.

These numbers are still used in modern Greece in the same way we still use Roman numbers.

Digamma / is the original letter used for 6. It has been replaced by stigma 0 (which is in origin a combination of & and ) ).

San was the original name for the letter signifying 900. In the archaic Greek alphabet, san preceded koppa.

This system is sometimes called the Milesian system or the alphabetic system.

Until late antiquity, the Ionic number system actually used upper-case letters only. (The lower-case letters did not exist until late antiquity). This is
illustrated in the next table.

Numeral Value Numeral Value Numeral Value


? 1 @ 10 A 100

B 2 C 20 D 200

E 3 F 30 G 300

H 4 I 40 J 400

K 5 L 50 M 500

N later (O ) 6 P 60 Q 600

R 7 S 70 T 700

U 8 V 80 W 800

X 9 Y (or Z) 90 [ 900

For example, >?TPH has value 1764.


For example, KZ has value 27.
For example, >EGYN has value 3396.

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