Repeat symbol math

A vinculum is a horizontal line used in mathematical notation for a specific purpose. Today, however, the common usage of a vinculum to indicate the repetend of a repeating decimal is a significant exception and reflects the original usage.
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What is 1/3 as a decimal?

1. What is the repeating sign in math?
2. How do you write the repeating decimal symbol?
3. What is a repeating symbol?
4. What does a ∈ Z mean?

What is the repeating sign in math?

A vinculum (Latin for, "fetter", "chain", or "tie") is a horizontal line used in mathematical notation for a singular purpose. ... Today, however, the common usage of a vinculum to indicate the repetend of a repeating decimal is a significant exception and reflects the original usage.

How do you write the repeating decimal symbol?

Here's how:

1. After inserting your equation and entering the decimal, select the characters that are to repeat.
2. On the Equation Tools tab of the Ribbon, look for the Accent icon in the Structures group.
3. Click on Accent and choose the straight horizontal line over the dotted box.

What is a repeating symbol?

The sign to designate the repeat of a note or beat of a measure is single slash, with the slash representing the repeat of a specific unit of time. As shown in the example below, the slash represents an entire beat (single note, multiple notes, or a chord).

What does a ∈ Z mean?

Z denotes the set of all integers. The symbol ∈ means "belongs to". So the statement k∈Z simply means that k belongs to the set of integers, i.e. k is some unspecified integer.