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The `MANTIME` option takes the time series that is active and
performs the operation requested by the option and leaves the resultant
time series as the active time series. This helps in performing various
permutations of manipulations to increase the options without increasing
the number of option commands.

`DELTA`- Subtracts the average of the time series from all elements.
`NORMAL`- Normalizes the vectorial time series. (i.e. creates the unit vector).
`SQUARE`- Squares all the elements.
`COS`- Obtains the cosine of all elements.
`COS2`- Calculates 3*cos**2 - 1 for all elements.
`AVERAGE integer`- Calculates the average for every
*n*consecutive points and increases the time interval by a factor of*n*where*n*is the specified`integer`. `SQRT`- Obtains square root for all elements.
`DELTAI`- Subtracts the value of the first element from all elements.
`DELTAN integer`- Subtracts the value of the
*n*th element from all where*n*is the specified`integer`.

Q(I) = Q(I) - <Q(I)>, I from 1 to N, from N+1 to N+N etc. (Check code on this) `OSC`- Counts the number of oscillations in Q(T).
`SAVE unit`- Save the time series into the given Fortran I/O unit.
`ADD unit`- Add the time series read in the file specified by `
`unit`' to the existing time series. `PROB integer`- Give the probability to find a specific value of the time series. The
`integer`specifies the number of subdivisions of the time series are considered. `LOG`- Q(T) = LOG(Q(T))
`MULT`- Q(T) =
`real`* Q(T) `DELTAMIN`- Q(T) = Q(T) - QMIN. QMIN being the minimum of the time series.
`ABS`- Q(T) = ABS(Q(T))
`NORM`- Computes the norms of the vectors in the time series. The new time
series contains these norms (
`VECCOD`

is set to 1).