_T_h_e _N_u_m_b_e_r _o_f _C_o_l_u_m_n_s _o_f _a _M_a_t_r_i_x
	
	     ncol(x)
	     .COL(x)
	
	_A_r_g_u_m_e_n_t_s:
	
	           x : array
	
	_D_e_s_c_r_i_p_t_i_o_n:
	
	     ncol returns the number of columns present in its argu-
	     ment.  .COL does the same, but dealing a vector as 1-
	     column matrix.  )
	
	_S_e_e _A_l_s_o:
	
	     nrow and NROW.
	
	_E_x_a_m_p_l_e_s:
	
	     ncol(matrix(1:12, 3, 4)) # 4
	     ncol(array(1:24, dim= 2:4)) # 3, the second dimension
	     .COL(1:12) # 1