AbsolutePointSize[d] is a graphics directive which specifies that points which follow are to be shown if possible as circular regions with absolute diameter d.

AbsoluteThickness[d] is a graphics directive which specifies that lines which follow are to be drawn with absolute thickness d.

AbsoluteTime[] gives the total number of seconds since the beginning of January 1, 1900, in your time zone.AbsoluteTime[{y, m, d, h, m, s}] gives the absolute time ...

AbsoluteTiming[expr] evaluates expr, returning a list of the absolute number of seconds in real time that have elapsed, together with the result obtained.

AccountingForm[expr] prints with all numbers in expr given in standard accounting notation. AccountingForm[expr, n] prints with numbers given to n-digit precision.

Accumulate[list] gives a list of the successive accumulated totals of elements in list.

AccuracyGoal is an option for various numerical operations which specifies how many effective digits of accuracy should be sought in the final result.

Accuracy[x] gives the effective number of digits to the right of the decimal point in the number x.

ActionMenu[name, {lbl_1 :> act_1, lbl_2 :> act_2, ...}] represents an action menu with label name and with items labeled lbl_i that evaluates the expression act_i if the ...

ActiveStyle is an option for Hyperlink and related constructs that specifies styles to add when the constructs are active, typically as a result of the mouse being over them.