數學因爲所以的符號

“因爲”的符號：∵“所以”的符號：∴。

= 等於 is equal to

≠ 不等於 is not equal to

≈ 約等於 approximately equal to

< 小於 is less than

> 大於 is greater than

// 平行 is parallel to

⊥垂直

≥ 大於或等於 is greater than or equal to

≤ 小於或等於 is less than or equal to

≡ 恆等於或同餘。