! Function !! Description
 
! Function !! Description
 
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| abs( x )
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| abs( x ) || Absolute value of x .
| Absolute value of x .
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| acos( x )
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| acos( x ) || Arccos of x in range [0, pi], x in [-1, 1].
| Arccosine of x in range [0, <font face="symbol">p</font>], x in [1, 1].
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| all( x )
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| all( x ) || true if '''all''' components of x != 0 - false otherwise.
| Returns true if every component of x is not equal to 0. Returns false otherwise.
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| any( x )
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| any( x ) || true if '''any''' component of x != 0 - false otherwise.
| Returns true if any component of x is not equal to 0. Returns false otherwise.
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