Here are they....
+ [Plus]
- [minus]
× [multiplied by] / [times] /
÷ [divided by] / [into...is]
= [equal] /[make]
≠ [is not equal to] / [doesn't equal]
≈ [is approximately equal to]
> [is greater than]
≥ [is greater than or equal to]
< [is less than]
≤ [is less than or equal to]
^2[squared is..]
√ [the (square) root of]
^3[cubed is]
∛ [the cube root of..]
^4 [to the power of 4]
± [Plus or minus]
1/4[a quarter] / [one quarter]
1/2[a half] / [one half]
3/4[three quarters]
5 3/4 [five and three quarters]
0.1 [nought point one] UK / [zero point one] US
3.15 [Three point five]
25% [Twenty Five percent]
90° [ninety degrees]
Good Luck