$MessagePrePrint (Built-in Mathematica Symbol)

$MessagePrePrint is a global variable whose value, if set, is applied to expressions before they are included in the text of messages.

$OutputSizeLimit (Built-in Mathematica Symbol)

$OutputSizeLimit specifies the maximum size in bytes of expressions that will automatically be output in their entirety in a Mathematica notebook.

$ProcessorType (Built-in Mathematica Symbol)

$ProcessorType is a string giving the architecture of the processor on which Mathematica is being run.

$ScheduledTask (Built-in Mathematica Symbol)

$ScheduledTask returns the current ScheduledTaskObject.

$SoundDisplayFunction (Built-in Mathematica Symbol)

$SoundDisplayFunction gives the default setting for the option DisplayFunction in sound functions.

$SystemWordLength (Built-in Mathematica Symbol)

$SystemWordLength gives the effective number of bits in raw machine words on the computer system where Mathematica is running.

$Version (Built-in Mathematica Symbol)

$Version is a string that gives the version of the Mathematica kernel you are running.

Constrained Optimization (Mathematica Overview)

Introduction Linear Optimization Numerical Nonlinear Local Optimization

Introduction to Initial and Boundary ... (Mathematica Tutorial)

DSolve can be used for finding the general solution to a differential equation or system of differential equations. The general solution gives information about the structure ...

Equations (Mathematica Tutorial)

"Defining Variables" discussed assignments such as x=y which set x equal to y. Here we discuss equations, which test equality. The equation x==y tests whether x is equal to ...