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17 lines
847 B
Plaintext
17 lines
847 B
Plaintext
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* [`==` and `!=`](/documentation/operators/equality) are used to check if two
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values are the same.
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* [`+`, `-`, `*`, `/`, and `%`](/documentation/operators/numeric) have their
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usual mathematical meaning for numbers, with special behaviors for units that
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matches the use of units in scientific math.
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* [`<`, `<=`, `>`, and `>=`](/documentation/operators/relational) check whether
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two numbers are greater or less than one another.
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* [`and`, `or`, and `not`](/documentation/operators/boolean) have the usual
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boolean behavior. Sass considers every value "true" except for `false` and
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`null`.
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* [`+`, `-`, and `/`](/documentation/operators/string) can be used to
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concatenate strings.
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{% if parens %}
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* [`(` and `)`](/documentation/operators#parentheses) can be used to explicitly
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control the precedence order of operations.
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{% endif %}
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