Sunday, 18 August 2019

notation - Proper use of the vinculum to indicate repeating decimal.

A nerdy debate with a colleague leads me to ask this question:




To be used correctly, does the vinculum HAVE to only be placed over the shortest sequence of digits that repeat after a decimal?



For example, to indicate 1/3, is it ok to write 0.¯33 instead of 0.¯3?



Thank you!

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