input: Numerical data stored in machine dependent raw binary format, without a header. Matrices are loaded to have one column, while cubes are loaded to have one slice with one column. The .reshape() function can be used to alter the size of the loaded matrix/cube without losing data. [auto_detect] 
output: raw_binary
options: r a w _ a s c i i
options: r a w _ b i n a r y
options: a r m a _ a s c i i
options: a r m a _ b i n a r y
options: c s v _ a s c i i
options: h d f 5 _ b i n a r y
options: p g m _ b i n a r y
options: p p m _ b i n a r y