## `Pref::kernel` -- the version number of the presently used MuPAD kernel

#### Introduction

`Pref::kernel(``)` returns the version number of the presently used kernel.

#### Call(s)

`Pref::kernel()`

#### Returns

the version number: a list of three nonnegative integers.

#### Related Functions

`patchlevel`, `version`

#### Details

- The version numbers of the kernel and the library may differ. `Pref::kernel` refers to the kernel, whereas the call `version``()` returns the version number of the installed MuPAD library.

#### Example 1

Do the version numbers of kernel and library coincide?

    >> Pref::kernel() = version()

                               [2, 0, 0] = [2, 0, 0]

#### Changes

- no changes

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