Some Signs And Symbols In Mathematics You Should Not Forget.
x = y
x equals y,
x < y
x is less than y,
x > y
x is greater than y,
x << y
x is much less than y,
x >> y
x is much greater than y,
x ≤ y
x is less than
or equal to y,
x ≥ y
x is greater than
or equal to y,
x ≠ y
x is not equal to y,
x ≈ y
x is approximately equal to y.
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