Sech[z] gives the hyperbolic secant of z.

Sinh[z] gives the hyperbolic sine of z.

Tanh[z] gives the hyperbolic tangent of z.

Wronskian[{y_1, y_2, ...}, x] gives the Wronskian determinant for the functions y_1, y_2, ... depending on x.Wronskian[eqn, y, x] gives the Wronskian determinant for the ...

This is a simple homogeneous DAE with constant coefficients. This finds the general solution. It has only one arbitrary constant because the second equation in the system ...

The complete collection of Greek letters in Mathematica. You can use Greek letters as the names of symbols. The only Greek letter with a built-in meaning in StandardForm is ...

"Balance" is a front end token that expands the selection to cover the nearest pair of matched bracketing characters.

Virtual Book opens the Wolfram Mathematica Virtual Book, an updated and expanded electronic version of The Mathematica Book.

ExpandFileName["name"] textually expands name to have the form of an absolute file name for your operating system.

Mathematica 6.0 fundamentally redefined Mathematica and introduced a major new paradigm for computation. Building on Mathematica's time-tested core symbolic architecture, ...