文档介绍：无忧托福网 留学梦工厂
GRE/GMAT数学符号
SYMBOL MEANING
= is equal to
≠ is not equal to
≈ is approximately equal to
＞ is greater than
≥ is greater than or equal to
＜ is less than
≤ is less than or equal to
根号 square root
… the repeating decimal
r s't"  r degrees s minutes t seconds
∠angle
∟ right angle
┻ is perpendicular
│x│ absolute value of x
∥ is parallel to
△ triangle
～ is similar to
≌ is congruent to
△x delta x
π pi(…)
1. is equal to; is the same as
  the result is; yields; gives                              =
2. the sum of x and y; the total of x and y;
x added to y; x increased by y;                       x+y
x more then y; x greater than y
3.  x minus y; x less y;
the difference of x and y; x take away y;
  from x subtract y' x decreased by y;                      x-y
  x diminished by y; y is subtracted from x;
  y less than x (note the reversal)
4.x multiplied by y;
the product of x and y;                                 xy
5. divided by y;
the quotient of x and y;                          x y,
y divided into x (note the reversal)
6.A and B are factors of C;
A and B are divisors of C;
C is divisible by A and by B;                        A B=C