numerically equal
61Star number — A star number is a centered figurate number that represents a centered hexagram, such as the one that Chinese checkers is played on.The n th star number is given by the formula 6 n ( n 1) + 1. The first few star numbers are 1, 13, 37, 73, 121,… …
62Actuarial notation — 1. net single premium of insurance (benefit 1 unit) 2. paid at the moment of death 3. for x year old person, for n years 4. life insurance 5. deferred (m year) 6. with double force of interestActuarial notation is a shorthand method to allow… …
63Negative predictive value — In statistics and diagnostic testing, the negative predictive value (NPV) is a summary statistic used to describe the performance of a diagnostic testing procedure. It is defined as the proportion of subjects with a negative test result who are… …
64Number needed to harm — The number needed to harm (NNH) is an epidemiological measure that indicates how many patients need to be exposed to a risk factor over a specific period to cause harm in one patient that would not otherwise have been harmed.[1] It is defined as… …
65Track transition curve — The red Euler spiral is an example of an easement curve between a blue straight line and a circular arc, shown in green …
66Oxidation number — Not to be confused with oxidation state. Oxidation numbers of carbon and hydrogen in ethane In coordination chemistry, the oxidation number of a central atom in a coordination compound is the charge that it would have if all the ligands were… …
67Post-Newtonian expansion — Post Newtonian expansions in general relativity are used for finding an approximate solution of the Einstein equations for the metric tensor that represents a multi component, tensor gravitational field potential instead of a single, scalar… …
68gramequivalent — gram equivalent n. The amount of a substance whose weight in grams is numerically equal to its equivalent weight. * * * …
69gram atom — Chem. the quantity of an element whose weight in grams is numerically equal to the atomic weight of the element. Also called gram atomic weight /gram euh tom ik, tom /. Cf. Avogadro s number. [1895 1900] * * * …
70gram molecule — gram molecular /gram meuh lek yeuh leuhr/, gram molar /gram moh leuhr/, adj. Chem. that quantity of a substance whose weight in grams is numerically equal to the molecular weight of the substance. Cf. Avogadro s number. [1890 95] * * * …
