Sum
(Built-in Mathematica Symbol) Sum[f, {i, i_max}] evaluates the sum \[Sum]i = 1 i_max f. Sum[f, {i, i_min, i_max}] starts with i = i_min. Sum[f, {i, i_min, i_max, di}] uses steps d i. Sum[f, {i, {i_1, i_2, ...
SuperDagger[expr] displays as expr^\[Dagger].
SuperMinus[expr] displays as expr^-.
SuperPlus[expr] displays as expr^+.
SuperscriptBox[x, y] is the low-level box representation for x^y in notebook expressions.
SuperscriptBoxOptions -> {opt_1 -> val_1, opt_2 -> val_2, ...} is an option for selections that specifies settings for SuperscriptBox objects.
Superscript[x, y] is an object that formats as x^y.
SupersetEqual[x, y, ...] displays as x \[SupersetEqual] y \[SupersetEqual] ....
Superset[x, y, ...] displays as x \[Superset] y \[Superset] ....
SuperStar[expr] displays as expr^*.