評論
打印
+ plus 加號；正號
- minus 減號；負號
± plus or minus 正負號
× is multiplied by 乘號
÷ is divided by 除號
＝ is equal to 等于號
≠ is not equal to 不等于號
≡ is equivalent to 全等于號
≌ is equal to or approximately equal to 等于或約等于號
≈ is approximately equal to 約等于號
＜ is less than 小于號
＞ is more than 大于號
≮ is not less than 不小于號
≯ is not more than 不大于號
≤ is less than or equal to 小于或等于號
≥ is more than or equal to 大于或等于號
% per cent 百分之...
‰ per mill 千分之...
∞ infinity 無限大號
∝ varies as 與...成比例
√ (square) root 平方根
∵ since; because 因為
∴ hence 所以
∷ equals, as (proportion) 等于，成比例
∠ angle 角
⌒ semicircle 半圓
⊙ circle 圓
○ circumference 圓周
π pi 圓周率
△ triangle 三角形
