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2. Precision Time Protocol - Wikipedia

   en.wikipedia.org/wiki/Precision_Time_Protocol

   The Precision Time Protocol ( PTP) is a protocol used to synchronize clocks throughout a computer network. On a local area network, it achieves clock accuracy in the sub-microsecond range, making it suitable for measurement and control systems. [1] PTP is employed to synchronize financial transactions, mobile phone tower transmissions, sub-sea ...

3. Reverse Polish notation - Wikipedia

   en.wikipedia.org/wiki/Reverse_Polish_notation

   By this time, HP was the leading manufacturer of calculators for professionals, including engineers and accountants. Later calculators with LCDs in the early 1980s, such as the HP-10C , HP-11C , HP-15C , HP-16C , and the financial HP-12C calculator also used reverse Polish notation.

4. Sample size determination - Wikipedia

   en.wikipedia.org/wiki/Sample_size_determination

   Sample size determination or estimation is the act of choosing the number of observations or replicates to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample size used in a study is usually determined ...

5. BMI Calculator - Calculate your Body Mass index

   www.webmd.com/diet/body-bmi-calculator

   Body mass index (BMI) is a measure of your weight relative to your height. For all men and women 20 years old and older, the BMI measurement is classified into one of four main weight categories ...

6. Food Calculator: Carbs, Calories, Fat, Protein and More - WebMD

   www.webmd.com/diet/healthtool-food-calorie-counter

   Get the nutrition lowdown on all your meals and everything in between. Find out the calories, carbs, fat, fiber, and more in over 37,000 foods and drinks. Whether you're eating out or dining in ...

7. Hitting time - Wikipedia

   en.wikipedia.org/wiki/Hitting_time

   The first exit time (from A) is defined to be the first hit time for S \ A, the complement of A in S. Confusingly, this is also often denoted by τ A. The first return time is defined to be the first hit time for the singleton set {X 0 (ω)}, which is usually a given deterministic element of the state space, such as the origin of the coordinate ...