1. A method of analyzing an individual subject person's physical characteristics to assist in hair styling comprising: measuring a plurality of values of the person's height and head dimensions. inputting said measured values of physical measurements of the subject person into a digital computer and temporarily storing said values therein, inputting into the digital computer predetermined values of normal ratios of the height and head dimensions for subjects of the same sex, storing the values of said normal ratios in said digital computer, inputting into said digital computer predetermined recommendations of distribution of hair volume as a function of deviations from said normal ratios, storing said recommendations in said digital computer in a table, calculating in said digital computer the ratios of the subject person corresponding to the said normal ratios for subjects of the same sex, calculating in said digital computer the deviations between values of the subject person ratios and the values of the normal ratios stored in said computer, comparing in said digital computer the deviations of the ratios of said subject person with the stored recommendations, driving with said computer a display device which displays the recommendations for hair volume distribution corresponding to the correspondence of said recommendations with the deviations of the ratios of said subject person and said recommendations, and manually preparing a chart representing said recommendations on a facial outline.