| Symbol | Name | Unicode |
|---|---|---|
| + | Additional sign | U+002B |
| − | Minus sign | U+2212 |
| = | Insignia | U+003D |
| ≠ | Not equal to | U+2260 |
| ≈ | Almost equal to (approximately) | U+2248 |
| × | Multiplication sign | U+00D7 |
| ÷ | Dating | U+00F7 |
| ∞ | Infinity | U+221E |
| √ | Square root | U+221A |
| ∫ | Integral | U+222B |
| ∑ | Sum symbol | U+2211 |
| Δ | Delta (difference or change) | U+0394 |
| π | Pi | U+03C0 |
| ∂ | Partial derivative | U+2202 |
| λ | Lambda (wavelength/frequency) | U+03BB |
| Ω | Omega (resistance, ohm) | U+03A9 |
| α | Alpha (angular acceleration) | U+03B1 |
| β | Beta (beta coefficient in finance) | U+03B2 |
| σ | Sigma (sum in mathematics, standard deviation in statistics) | U+03C3 |
| θ | Theta (angle) | U+03B8 |
| φ | Phi (golden ratio, magnetic flux) | U+03C6 |
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