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                    Useful Math Symbols

• ≤ (less than or equal to)

• ≥​ (greater than or equal to)

• ≠ (not equal to)

• ± (positive/negative)

• ∠ (angle)

                        yo

• π (pi)

• ∆ (delta)

• ∈ℝ (element of real)

• √ (radical)

                        yo

• θ (theta)

• ° (degrees)

• ∘ (composite of)

• ⋅ (multiplication dot)