42 in Rumi
× 40× 2
The sign valued forty plus the sign valued two.
HISTORICAL · DECIMAL SIGN-VALUES
Rumi
Fasi numerals
Manuscript signs for units, tens, and hundreds.
Convert numbers- Place
- Maghreb, Egypt & al-Andalus
- Period / variant
- Tenth–seventeenth centuries
EXAMPLES
42 · Decimal sign-values
The sign valued forty plus the sign valued two.
Worked example
Write 42 in Rumi
Write the larger values first, from left to right. Each sign carries its own value; add the groups.
- × 40
Write this sign for 40. Its value is 40 by itself.
- × 2
Write this sign for 2. Its value is 2 by itself.
Check
40 + 2 = 42
Sources and notation notes
Meet the symbols
Each tile shows a sign and what it means. A sign can stand for a whole amount, such as 10 or 100.
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 20
- 30
- 40
- 50
- 60
- 70
- 80
- 90
- 100
- 200
- 300
- 400
- 500
- 600
- 700
- 800
- 900
How the symbols fit together
Read each sign as a complete amount, then add. A sign for forty already contributes forty.
- Choose signs for the hundreds, tens, and ones that are present in the number.
- For 42, the forty sign contributes 40 and the two sign contributes 2. Add 40 + 2 = 42.
- For 205, the two-hundred sign contributes 200 and the five sign contributes 5.
- Add 200 + 5 = 205. There are no tens, so leave out the tens sign; there is no zero sign between the other two.
205 in Rumi
× 200× 5
Two hundred plus five; no sign for zero is needed.
999 in Rumi
× 900× 90× 9
Nine hundred plus ninety plus nine.
This converter covers positive integers from 1 to 999 in descending sign-value order. The broader tradition includes fractional signs and manuscript-specific conventions that this app does not yet render.
History
Rumi numerals, also called Fasi, belong to a manuscript tradition spanning North Africa and al-Andalus. They appear in accounting, astronomy, and manuscript numbering. Their historical shapes vary; this collection follows the variant represented in the Unicode Rumi repertoire.
How to read it
Read each sign as a complete amount, then add. A sign for forty already contributes forty.
- Choose signs for the hundreds, tens, and ones that are present in the number.
- For 42, the forty sign contributes 40 and the two sign contributes 2. Add 40 + 2 = 42.
- For 205, the two-hundred sign contributes 200 and the five sign contributes 5.
- Add 200 + 5 = 205. There are no tens, so leave out the tens sign; there is no zero sign between the other two.
Limits
This converter covers positive integers from 1 to 999 in descending sign-value order. The broader tradition includes fractional signs and manuscript-specific conventions that this app does not yet render.
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