Qualcomm Inc. is an American multinational semiconductor and telecommunications equipment company that designs and markets wireless telecommunications products and services. It derives most of its revenue from chipmaking and the bulk of its profit from patent licensing businesses.
Example: Calculate Your Current Age with DATEDIF. 1  Enter your birth date into cell E1 of the worksheet. 2  Type =TODAY() into cell E2. 3  Type the following formula into cell E3. = 4 DATEDIF (E1, TODAY(),Y) & . & 5  DATEDIF (E1, TODAY(),MD) &  Days.
A formula to calculate how old a sample is by carbon-14 dating is: t = [ ln (Nf/No) / (-0.693) ] x t1/2. where ln is the natural logarithm, N f /N o is the percent of carbon-14 in the sample compared to the amount in living tissue, and t 1/2 is the half-life of carbon-14 (5,700 years).