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Tally Marks

Tool for counting with counting marks (numerical system for counting by addition of units), usually represented by tally bars and grouped by 5.

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Tally Marks -

Tag(s) : Mathematics

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Tally Marks

Tally Marks Counter

See also: Pigpen Cipher

Tally Marks Notation Encoder




Tool for counting with counting marks (numerical system for counting by addition of units), usually represented by tally bars and grouped by 5.

Answers to Questions

How to count using the tally marks unary system?

The unary system based on successive marks consists of recording each addition of n units by n marks (generally lines, bars or sticks). The system uses a single symbol (the system is said to be unary) and allows the count to be updated (for numbers up to a few tens, beyond that, the system is neither practical nor efficient).

The use of tally marks is to group each set of 5 to facilitate counting

Example: 8 is written char(53)char(51) (notation used in France or South America)

Several graphic variants are possible as the square

Example: 8 is also written as char(101)char(99) (notation used in Europe, North America or Oceania)

The unary counting system by marks is often used for a count of days remaining, a calculation of scores, number of points of a match, etc.

How to read the tally marks unary system?

Reading consists of counting the number of marks (of lines) in order to deduce the value.

Example: char(53)char(53)char(52) for the value 14 (there are 14 marks in total)

Source code

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Thanks to your feedback and relevant comments, dCode has developped the best Tally Marks tool, so feel free to write! Thank you !


Source : https://www.dcode.fr/unary-marks
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