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Warning: file_put_contents(aCache/aDaily/2025-07-22/post/mathvisuals/--): Failed to open stream: No such file or directory in /var/www/hottg/post.php on line 72 The Cistercian monks invented a numbering system in the 13th century which meant that any number from 1 to 9999 could be written using a single symbol. @Visuals for maths
The Cistercian monks invented a numbering system in the 13th century which meant that any number from 1 to 9999 could be written using a single symbol. #history
The Cistercian monks invented a numbering system in the 13th century which meant that any number from 1 to 9999 could be written using a single symbol. #history