LowerCaseQ[string] yields True if all the characters in the string are lowercase letters, and yields False otherwise.
LowerTriangularize[m] gives a matrix in which all but the lower triangular elements of m are replaced with zeros. LowerTriangularize[m, k] replaces with zeros only the ...
Minus
(Built-in Mathematica Symbol) -x is the arithmetic negation of x.
MultiplicativeOrder[k, n] gives the multiplicative order of k modulo n, defined as the smallest integer m such that k^m \[Congruent] 1 mod n. MultiplicativeOrder[k, n, {r_1, ...
NHoldFirst is an attribute which specifies that the first argument to a function should not be affected by N.
NonPositive[x] gives True if x is a non-positive number.
Number
(Built-in Mathematica Symbol) Number represents an exact integer or an approximate real number in Read.
OverHat
(Built-in Mathematica Symbol) OverHat[expr] displays with a hat over expr.
OverscriptBox[x, y] is the low-level box representation for OverscriptBox[x, y] in notebook expressions.
OverscriptBoxOptions -> {opt_1 -> val_1, opt_2 -> val_2, ...} is an option that specifies the style and display of OverscriptBox constructs.