+ | plus/add |
- | minus/subtract |
![](../../../images/maths/divide.gif) | divide |
/ | divide |
![](../../../images/maths/times.gif) | multiply/times |
. | multiply/times, scalar product of vectors |
![](../../../images/maths/equal.gif) | is equal to |
![](../../../images/maths/idequal.gif) | is identically equal to, defined as |
![](../../../images/maths/notequal.gif) | does not equal |
![](../../../images/maths/approx.gif) | is approximately equal to |
![](../../../images/maths/grtrthan.gif) | is greater than |
![](../../../images/maths/gtrthneq.gif) | is greater than or equal to |
![](../../../images/maths/muchgtrt.gif) | is much greater than |
![](../../../images/maths/lessthan.gif) | is less than |
![](../../../images/maths/lssthneq.gif) | is less than or equal to |
![](../../../images/maths/muchlest.gif) | is much less than |
![](../../../images/maths/plusmin.gif) | plus or minus, error margin |
![](../../../images/maths/minplus.gif) | minus or plus |
![](../../../images/maths/complexs.gif) | complex set |
![](../../../images/maths/integers.gif) | integer set |
![](../../../images/maths/naturals.gif) | natural set |
![](../../../images/maths/rationse.gif) | rational set |
![](../../../images/maths/realset.gif) | real set |
![](../../../images/maths/isto.gif) | is to, ratio, such that |
![](../../../images/maths/as.gif) | as |
![](../../../images/maths/therefor.gif) | therefore |
![](../../../images/maths/because.gif) | because |
![](../../../images/maths/a.gif) | for all |
![](../../../images/maths/e.gif) | there exists |
{ } | set |
< > | mean |
![](../../../images/maths/sqrroot.gif) | (square) root of |
![](../../../images/maths/operate.gif) | denotes an operation |
![](../../../images/maths/angle.gif) | angle |
![](../../../images/maths/parallel.gif) | parallel |
![](../../../images/maths/idequal.gif) | congruent |
![](../../../images/maths/perpendi.gif) | perpendicular |
![](../../../images/maths/intersec.gif) | intersection |
![](../../../images/maths/union.gif) | union |
![](../../../images/maths/subset.gif) | subset |
![](../../../images/maths/notsubse.gif) | is not a subset |
![](../../../images/maths/belongst.gif) | belongs to |
![](../../../images/maths/notbelng.gif) | does not belong to |
![](../../../images/maths/emptyset.gif) | empty set |
![](../../../images/maths/cardinal.gif) | cardinality |
![](../../../images/maths/changein.gif) | finite difference or increment |
![](../../../images/maths/colon.gif) | colon |
![](../../../images/maths/semicolo.gif) | semicolon |
% | per cent |
' | first derivative, feet, arcminutes |
" | second derivative, inches, arcseconds |
° | degrees |
![](../../../images/maths/differen.gif) | difference |
![](../../../images/maths/ellipsis.gif) | ellipsis |
![](../../../images/maths/equivale.gif) | is equivalent to |
![](../../../images/maths/implies.gif) | implies |
iff | if, and only if |
![](../../../images/maths/factoria.gif) | factorial |
![](../../../images/maths/infinity.gif) | infinity |
![](../../../images/maths/integral.gif) | integral |
![](../../../images/maths/imaginar.gif) | imaginary part of a complex number |
![](../../../images/maths/real.gif) | real part of a complex number |
![](../../../images/maths/mapsinto.gif) | maps into, approaches the limit |
![](../../../images/maths/sigma.gif) | the sum of the terms indicated (sigma) |
![](../../../images/maths/producto.gif) | the product of the terms indicated (pi) |
![](../../../images/maths/proportt.gif) | is proportional to |
![](../../../images/maths/vectordi.gif) | vector differential |