multiplication → × → ×
division → ÷ → ÷
fraction 1/4 → ¼ → ¼
fraction 1/2 → ½ → ½
fraction 3/4 → ¾ → ¾
for all → ∀ → ∀
part → ∂ → ∂
exists → ∃ → ∃
empty → ∅ → ∅
nabla → ∇ → ∇
isin → ∈ → ∈
notin → ∉ → ∉
ni → ∋ → ∋
prod → ∏ → ∏
sum → ∑ → ∑
minus → − → −
lowast → ∗ → ∗
square root → √ → √
proportional to → ∝ → ∝
infinity → ∞ → ∞
angle → ∠ → ∠
and → ∧ → ∧
or → ∨ → ∨
cap → ∩ → ∩
cup → ∪ → ∪
integral → ∫ → ∫
therefore → ∴ → ∴
simular to → ∼ → ∼
approximately equal → ≅
almost equal → ≈ → ≈
not equal → ≠ → ≠
equivalent → ≡ → ≡
less or equal → ≤ → ≤
greater or equal → ≥ → ≥
subset of → ⊂ → ⊂
superset of → ⊃ → ⊃
not subset of → ⊄ → ⊄
subset or equal → ⊆ → ⊆
superset or equal → ⊇ → ⊇
circled plus → ⊕ → ⊕
cirled times → ⊗ → ⊗
perpendicular → ⊥ → ⊥
dot operator → ⋅ → ⋅