On grammatical class:

cu'a
unary mathematical operator: absolute value/norm |a|.
de'o
binary mathematical operator: logarithm; [log/ln a to base b]; default base 10 or e.
fe'a
binary mathematical operator: nth root of; inverse power [a to the 1/b power].
ne'o
unary mathematical operator: factorial; a!.
va'a
unary mathematical operator: additive inverse; [- a].
bai'ei
unary mathematical operator: successor/augment/increment (by one), succ(a) = a++ = a+1
cu'ai
binary mathematical operator: vector norm/magnitude of vector a in structure (normed vector space) b
de'au'u
mekso ternary operator: positive super-logarithm; the super-logarithm (inverse operator of hyper-operator with respect to "height" of power tower) of a with base b and of order c-2.
fe'au'u
mekso ternary operator: positive super-root; the bth super-root (inverse operator of hyper-operator with respect to base) of a of order c-2.
jau'au
unary mathematical operator: length/number of components/terms of/in object/array/formal string/sequence/word/text in some alphabet/base/basis which includes each digit; number of digits/components/entries
ka'au
mekso unary operator: cardinality (#, | |)
ne'oi
unary operator: primorial a#
pau'oi
unary mathematical operator: predecessor/diminish/decrement (by one), \operatornamepred(a) = a-- = a-1