function bmi = BMI_standard( ht_in, wt_lbs )
% Returns persons BMI when given English standard height and weight
% ht_in is the person's height in inches
% wt_lbs is the person's weight in pounds
ht_m = ht_in .* 0.0254;
wt_kg = wt_lbs ./ 2.2;
bmi = wt_kg ./ (ht_m.^2);