fonts adieu light €50 adieu bold €50 adieu regular backslant €50 editorial new ultralight $30usd/year weighting random numbers define an exponential graph y = ab^x 1 = ab^1 50 = ab^2 a = 1/b 50 = (1/b) * b^2 b = 50 a = 1/50 a = 0.02 y = 0.02 * 50^x