CountRoots (Built-in Mathematica Symbol)

CountRoots[poly, x] gives the number of real roots of the polynomial poly in x.CountRoots[poly, {x, a, b}] gives the number of roots between a and b.

MapAt (Built-in Mathematica Symbol)

MapAt[f, expr, n] applies f to the element at position n in expr. If n is negative, the position is counted from the end. MapAt[f, expr, {i, j, ...}] applies f to the part of ...

TautologyQ (Built-in Mathematica Symbol)

TautologyQ[bf] gives True if all combinations of values of variables make the Boolean function bf yield True.TautologyQ[expr, {a_1, a_2, ...}] gives True if all combinations ...

TimeValue (Built-in Mathematica Symbol)

TimeValue[s, i, t] calculates the time value of a security s at time t for an interest specified by i.

BooleanGraph (Built-in Mathematica Symbol)

BooleanGraph[bfunc, g_1, ..., g_n] gives the Boolean graph defined by the Boolean function bfunc on the graphs g_1, ..., g_n.

Disjunction (Built-in Mathematica Symbol)

Disjunction[expr, {a_1, a_2, ...}] gives the disjunction of expr over all choices of the Boolean variables a_i.

EulerE (Built-in Mathematica Symbol)

EulerE[n] gives the Euler number E_n. EulerE[n, x] gives the Euler polynomial E_n (x).

GCD (Built-in Mathematica Symbol)

GCD[n_1, n_2, ...] gives the greatest common divisor of the n_i.

ImageData (Built-in Mathematica Symbol)

ImageData[image] gives the array of pixel values in image.ImageData[image, " type"] gives the array of pixel values converted to the specified type.

Plus (Built-in Mathematica Symbol)

x + y + z represents a sum of terms.