Numerals

Abjad numerals

The Abjad numerals, also called Hisab al-Jummal (Arabic: حِسَاب ٱلْجُمَّل, ḥisāb al-jummal), are a decimal alphabetic numeral system/alphanumeric code, in which the 28 letters of the Arabic alphabet are assigned numerical values. They have been used in the Arabic-speaking world since before the eighth century when positional Arabic numerals were adopted. In modern Arabic, the word ʾabjadīyah (أَبْجَدِيَّة) means 'alphabet' in general. In the Abjad system, the first letter of the Arabic alphabet, ʾalif, is used to represent 1; the second letter, bāʾ, 2, up to 9. Letters then represent the first nine intervals of 10s and those of the 100s: yāʾ for 10, kāf for 20, qāf for 100, ending with 1000. The word ʾabjad (أبجد) itself derives from the first four letters (A-B-J-D) of the Semitic alphabet, including the Aramaic alphabet, Hebrew alphabet, Phoenician alphabet, and other scripts for Semitic languages. These older alphabets contained only 22 letters, stopping at taw, numerically equivalent to 400. The Arabic Abjad system continues at this point with letters not found in other alphabets: thāʾ= 500, etc. Abjad numerals in Arabic are similar to the earlier alphanumeric codes of Hebrew gematria and Greek isopsephy. (Wikipedia).

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Roman Numerals

This lesson explains how to determine numbers when written using Roman numerals and how to write numbers using Roman numerals. Site: http://mathispower4u.com

From playlist Roman Numerals

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Ex: Write the Number for Roman Numerals

This video explains how to determine the number when it is written using Roman numerals. Site: http://mathispower4u.com

From playlist Roman Numerals

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Ex: Write Numbers as Roman Numerals

This video explains how to write numbers when using Roman numerals. Site: http://mathispower4u.com

From playlist Roman Numerals

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From playlist VLC108 - Language Typology

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From playlist General Topics

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Roman Numerals Using Excel

This excel video tutorial provides a basic introduction into roman numerals. It explains how to convert a number into a roman numeral and vice versa using roman and arabic functions in excel. My Website: https://www.video-tutor.net Patreon Donations: https://www.patreon.com/MathScience

From playlist Excel Tutorial

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From playlist Math Mini

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From playlist Multimedia on the Web

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The Fascinating History of Arabic Numerals (Modern Day Numbers!)

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From playlist Uploads

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From playlist IB Math Studies Chapter 1

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Numbers, polynumbers and arithmetic with vexels I | Data Structures Math Foundations 190

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Related pages

Katapayadi system | Eastern Arabic numerals | Hebrew numerals | Greek numerals | Hindu–Arabic numeral system | Outline (list) | Positional notation | Alphabetic numeral system | Arabic numerals