Ever wonder how many seconds you've been alive? It's a surprisingly straightforward calculation! Begin with figuring out your age in years. Then, take that number by the amount of days in a year (365). Next, increase that result by the count of hours in a day (24). Finally, enhance that number by th

you'll find multiple formulas for calculating best system weight, with the main staying invented as early hex expression calculator as 1871 by Dr. Pierre Paul Broca, a French surgeon. Much later on, in 1974 Dr. B.J. Devine posted his famed equation which generally converted an easy rule based to the