Multipurpose Indicator

Mulitpurpose Indicator

1. The multipurpose Indicator must be used between two symbols for the tilde to indicate that they are written horizontally.

2. The multipurpose indicator must be used between two unspaced signs of comparison to indicate that they are printed horizontally and not vertically.

3. The multipurpose indicator must be used between two horizontally arranged modifiers within a sign of shape.

4. The multipurpose indicator must be used between a regular polygon representing a sign of operation and a numeral immediately following it.

5. The multipurpose indicator must be used before a modified expression.

1. Both a letter and a numeral following the letter appear on the baseline of writing, the multipurpose indicator must be used before the numeral to show that it is not a subscript to a letter. However, a letter used to represent a numeral in a nondecimal numeration system must be regardedas a numeral, and the multipurpose indicator must not be used.
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2. Wen a letter on the baseline of writing is immediately followed by a decimal point and a mumeral, the multipurpose indicator must be placed between the letter and the decimal point to show that the decimal point and numeral are not subscripts to the letter.
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3. The multipurpose indicator must be used after a numeric subscript if the subject is followed by a numeral on the baseline of writing.
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4. The multipurpose indicator must be used after a decimal point if the symbol following the decimal point is not a numeral. However, the multipurpose indicator must not be used when the decimal point is followed by a comma or the punctuation indicator.
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5. The multipurpose indicator must be used between two unspaced vertical bars when the first bar is a closing sign of grouping, and the second bar is an opening sign of grouping.

   The multipurpose indicator must also be used between two vertical bars grouping symbols when one bar is shorter and/or thicker than the other.