NUM2ENGLISH Convert numbers to plain english.
T = num2english(X) returns the plain english representation of the
number X. If X is a vector, it returns a character array with each
number in a different row.

T = num2english(X,'year') returns a string sounding more like a year,
for instance num2english(1984,'year') will return 'nineteen
eighty-four'. If the third digit is a zero it will return 'oh', so
num2english(1706,'year') returns 'seventeen oh-six'.

T = num2english(X,'th') returns first, second, third etc. instead of
one two three.

T = num2english(X,'example') returns a display of the various aspects
of the function.