| Name | Symbol | HTML Code | CSS Code | HTML Entity | Hex Code | Unicode |
|---|---|---|---|---|---|---|
| Plus Sign | + | + | \002B | + | + | U+0002B |
| Minus Sign | − | − | \2212 | − | − | U+02212 |
| Multiplication Sign | × | × | \00D7 | × | × | U+000D7 |
| Division Sign | ÷ | ÷ | \00F7 | ÷ | ÷ | U+000F7 |
| Equal Sign | = | = | \003D | = | = | U+0003D |
| Not Equal To Sign | ≠ | ≠ | \2260 | ≠ | ≠ | U+02260 |
| Plus or Minus Sign | ± | ± | \00B1 | ± | ± | U+000B1 |
| Not Sign | ¬ | ¬ | \00AC | ¬ | ¬ | U+000AC |
| Less-Than Sign | < | < | \003C | < | < | U+0003C |
| Greater-Than Sign | > | > | \003E | > | > | U+0003E |
| Equal to or Less-Than Sign | ⋜ | ⋜ | \22DC | | ⋜ | U+022DC |
| Equal to or Greater-Than Sign | ⋝ | ⋝ | \22DD | | ⋝ | U+022DD |
| Degree Sign | ° | ° | \00B0 | ° | ° | U+000B0 |
| Superscript One | ¹ | ¹ | \00B9 | ¹ | ¹ | U+000B9 |
| Superscript Two | ² | ² | \00B2 | ² | ² | U+000B2 |
| Superscript Three | ³ | ³ | \00B3 | ³ | ³ | U+000B3 |
| Percent Sign | % | % | \0025 | % | % | U+00025 |
| Per Mille Sign | | ‰ | \0089 | ‰ | ‰ | U+00089 |
| Per Ten Thousand Sign | ‱ | ‱ | \2031 | ‱ | ‱ | U+02031 |
| For All | ∀ | ∀ | \2200 | ∀ | ∀ | U+02200 |
| Complement | ∁ | ∁ | \2201 | ∁ | ∁ | U+02201 |
| Partial Differential | ∂ | ∂ | \2202 | ∂ | ∂ | U+02202 |
| There Exists | ∃ | ∃ | \2203 | ∃ | ∃ | U+02203 |
| There Does Not Exist | ∄ | ∄ | \2204 | ∄ | ∄ | U+02204 |
| Empty Set | ∅ | ∅ | \2205 | ∅ | ∅ | U+02205 |
| Increment | ∆ | ∆ | \2206 | | ∆ | U+02206 |
| Nabla | ∇ | ∇ | \2207 | ∇ | ∇ | U+02207 |
| Element Of | ∈ | ∈ | \2208 | ∈ | ∈ | U+02208 |
| Not an Element Of | ∉ | ∉ | \2209 | ∉ | ∉ | U+02209 |
| Small Element Of | ∊ | ∊ | \220A | | ∊ | U+0220A |
| Contains as Member | ∋ | ∋ | \220B | ∋ | ∋ | U+0220B |
| Does Not Contain as Member | ∌ | ∌ | \220C | ∌ | ∌ | U+0220C |
| Small Contains as Member | ∍ | ∍ | \220D | | ∍ | U+0220D |
| End of Proof | ∎ | ∎ | \220E | | ∎ | U+0220E |
| N-Ary Product | ∏ | ∏ | \220F | ∏ | ∏ | U+0220F |
| N-Ary Coproduct | ∐ | ∐ | \2210 | ∐ | ∐ | U+02210 |
| N-Ary Summation | ∑ | ∑ | \2211 | ∑ | ∑ | U+02211 |
| Minus-or-Plus Sign | ∓ | ∓ | \2213 | ∓ | ∓ | U+02213 |
| Dot Plus | ∔ | ∔ | \2214 | ∔ | ∔ | U+02214 |
| Division Slash | ∕ | ∕ | \2215 | | ∕ | U+02215 |
| Set Minus | ∖ | ∖ | \2216 | ∖ | ∖ | U+02216 |
| Asterisk Operator | ∗ | ∗ | \2217 | ∗ | ∗ | U+02217 |
| Ring Operator | ∘ | ∘ | \2218 | ∘ | ∘ | U+02218 |
| Bullet Operator | ∙ | ∙ | \2219 | | ∙ | U+02219 |
| Square Root | √ | √ | \221A | √ | √ | U+0221A |
| Cube Root | ∛ | ∛ | \221B | | ∛ | U+0221B |
| Fourth Root | ∜ | ∜ | \221C | | ∜ | U+0221C |
| Proportional To | ∝ | ∝ | \221D | ∝ | ∝ | U+0221D |
| Infinity | ∞ | ∞ | \221E | ∞ | ∞ | U+0221E |
| Right Angle | ∟ | ∟ | \221F | ∟ | ∟ | U+0221F |