Initialization Group makes the cells in a group auto-evaluate whenever the notebook is opened and the kernel is launched.

Mathematica has a highly flexible system for handling dates and times in almost any format, automatically converting between formats, and when necessary parsing strings ...

You can use the standard differential equation solving function, NDSolve , to numerically solve delay differential equations with constant delays. It returns an interpolation ...

EllipticExpPrime[u, {a, b}] gives the derivative of EllipticExp[u, {a, b}] with respect to u.

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SpheroidalS2Prime[n, m, \[Gamma], z] gives the derivative with respect to z of the radial spheroidal function S_n^m, (2)(\[Gamma], z) of the second kind.

InitializationCellWarning is an option for notebooks that specifies whether a warning should be given when a notebook containing initialization cells is opened.

SpheroidalJoiningFactor[n, m, \[Gamma]] gives the spheroidal joining factor with degree n and order m.

Cell Properties opens a submenu to select and toggle cell properties.

RamanujanTauZ[t] gives the Ramanujan tau Z-function Z(t).