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Approximation Symbol ()
The approximation symbol is used to indicate that two values are close to each other but not exactly equal. It is read as "approximately." This symbol appears in mathematics whenever an exact value is replaced by a nearby rounded or estimated value. For example, states that the square root of is approximately 2.24 — the two sides are close in value, but 2.24 is not the exact square root of . The approximation symbol differs from the equal sign (), which asserts that two quantities have exactly the same value. Using instead of signals that some precision has been sacrificed, typically through rounding or truncating a decimal.
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Approximation Symbol ()
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