Complex data and FFTs

BFFT -- Takes the reverse FFT of a complex data structure
CMPLX2I -- Extracts the imaginary part of a complex data structure
CMPLX2M -- Extracts the modulus of a complex data structure
CMPLX2R -- Extracts the real part of a complex data structure
CMPLXADD -- Add two complex structures
CMPLXCONJ -- Produce the complex conjugate of a complex structure
CMPLXDIV -- Divide two complex structures
CMPLXFILT -- Create a mid-pass filter for complex data
CMPLXMULT -- Multiply two complex structures
CMPLXSUB -- Subtract two complex structures
COSBELL -- Create data that goes to zero at the edges in a cosine bell
FFT -- Takes the forward FFT of a complex data structure
I2CMPLX -- Copies an array into the imaginary part of a complex structure
PEAK -- Determines position of highest peak in a spectrum
R2CMPLX -- Creates a complex data structure from a real data array
ROTX -- Rotate data along the X-axis