| ∀ |
∀ |
∀ |
∀ |
for all, U+2200 ISOtech |
| ∂ |
∂ |
∂ |
∂ |
partial differential, U+2202 ISOtech |
| ∃ |
∃ |
∃ |
∃ |
there exists, U+2203 ISOtech |
| ∅ |
∅ |
∅ |
∅ |
empty set = null set = diameter, U+2205 ISOamso |
| ∇ |
∇ |
∇ |
∇ |
nabla = backward difference, U+2207 ISOtech |
| ∈ |
∈ |
∈ |
∈ |
element of, U+2208 ISOtech |
| ∉ |
∉ |
∉ |
∉ |
not an element of, U+2209 ISOtech |
| ∋ |
∋ |
∋ |
∋ |
contains as member, U+220B ISOtech (should there be a more memorable
name than 'ni'?) |
| ∏ |
∏ |
∏ |
∏ |
n-ary product = product sign, U+220F ISOamsb (prod is NOT the same
character as U+03A0 'greek capital
letter pi' though the same glyph might be used for both) |
| ∑ |
∑ |
∑ |
∑ |
n-ary sumation, U+2211 ISOamsb (sum is NOT the same character as U+03A3
'greek capital letter sigma'
though the same glyph might be used for both) |
| − |
− |
− |
− |
minus sign, U+2212 ISOtech |
| ∗ |
∗ |
∗ |
∗ |
asterisk operator, U+2217 ISOtech |
| √ |
√ |
√ |
√ |
square root = radical sign, U+221A ISOtech |
| ∝ |
∝ |
∝ |
∝ |
proportional to, U+221D ISOtech |
| ∞ |
∞ |
∞ |
∞ |
infinity, U+221E ISOtech |
| ∠ |
∠ |
∠ |
∠ |
angle, U+2220 ISOamso |
| ∧ |
∧ |
∧ |
∧ |
logical and = wedge, U+2227 ISOtech |
| ∨ |
∨ |
∨ |
∨ |
logical or = vee, U+2228 ISOtech |
| ∩ |
∩ |
∩ |
∩ |
intersection = cap, U+2229 ISOtech |
| ∪ |
∪ |
∪ |
∪ |
union = cup, U+222A ISOtech |
| ∫ |
∫ |
∫ |
∫ |
integral, U+222B ISOtech |
| ∴ |
∴ |
∴ |
∴ |
therefore, U+2234 ISOtech |
| ∼ |
∼ |
∼ |
∼ |
tilde operator = varies with = similar to, U+223C ISOtech (tilde operator
is NOT the same character as the tilde,
U+007E, although the same glyph might be used to represent both) |
| ≅ |
≅ |
≅ |
≅ |
approximately equal to, U+2245 ISOtech |
| ≈ |
≈ |
≈ |
≈ |
almost equal to = asymptotic to, U+2248 ISOamsr |
| ≠ |
≠ |
≠ |
≠ |
not equal to, U+2260 ISOtech |
| ≡ |
≡ |
≡ |
≡ |
identical to, U+2261 ISOtech |
| ≤ |
≤ |
≤ |
≤ |
less-than or equal to, U+2264 ISOtech |
| ≥ |
≥ |
≥ |
≥ |
greater-than or equal to, U+2265 ISOtech |
| ⊂ |
⊂ |
⊂ |
⊂ |
subset of, U+2282 ISOtech |
| ⊃ |
⊃ |
⊃ |
⊃ |
superset of, U+2283 ISOtech |
| ⊄ |
⊄ |
⊄ |
⊄ |
note that nsup, 'not a superset of, U+2283' is not covered by the Symbol
font encoding and is not included. |
| |
[] |
|
[] |
not a subset of, U+2284 ISOamsn |
| ⊆ |
⊆ |
⊆ |
⊆ |
subset of or equal to, U+2286 ISOtech |
| ⊇ |
⊇ |
⊇ |
⊇ |
superset of or equal to, U+2287 ISOtech |
| ⊕ |
⊕ |
⊕ |
⊕ |
circled plus = direct sum, U+2295 ISOamsb |
| ⊗ |
⊗ |
⊗ |
⊗ |
circled times = vector product, U+2297 ISOamsb |
| ⊥ |
⊥ |
⊥ |
⊥ |
up tack = orthogonal to = perpendicular, U+22A5 ISOtech |
| ⋅ |
⋅ |
⋅ |
⋅ |
dot operator, U+22C5 ISOamsb (dot operator is NOT the same character
as U+00B7 middle dot) |