EllipticNomeQ[m] gives the nome q corresponding to the parameter m in an elliptic function.
EvaluationElements is an option for NotebookEvaluate that determines which cells to evaluate.
Expression is a symbol that represents an ordinary Mathematica expression in Read and related functions.
InverseHaversine[z] gives the inverse haversine function hav -1 (z).
Log2
(Built-in Mathematica Symbol) Log2[x] gives the base-2 logarithm of x.
MessagePacket[symbol, string] is a MathLink packet containing a Mathematica message identifier of the form symbol::string.
NDSolve
(Built-in Mathematica Symbol) NDSolve[eqns, y, {x, x_min, x_max}] finds a numerical solution to the ordinary differential equations eqns for the function y with the independent variable x in the range ...
Negative[x] gives True if x is a negative number.
NonNegative[x] gives True if x is a non-negative number.
NonPositive[x] gives True if x is a non-positive number.