vertical curve
111Versine — The versine or versed sine, versin(θ), is a trigonometric function equal to 1 − cos(θ) and 2sin2(½θ). It appeared in some of the earliest trigonometric tables and was once widespread, but it is now little used. There are several related functions …
112Nepenthes aristolochioides — An upper pitcher of N. aristolochioides Conservation status …
113Balance board — A balance board is a device used for recreation, athletic training, brain development, therapy, musical training and other kinds of personal development. It is a lever, similar to a see saw, that the user usually stands on, usually with the left… …
114Stairway — Stairs redirects here. For other uses, see Stairs (disambiguation). Staircase redirects here. For other uses, see Staircase (disambiguation). This article is about the construction. For the song by Led Zeppelin, see Stairway to Heaven. Stairways… …
115USAF Digital DATCOM — The United States Air Force Stability and Control Digital DATCOM is a computer program that implements the methods contained in the USAF Stability and Control DATCOM to calculate the static stability, control and dynamic derivative… …
116Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
117Wave equation — Not to be confused with Wave function. The wave equation is an important second order linear partial differential equation for the description of waves – as they occur in physics – such as sound waves, light waves and water waves. It arises in… …
118Complex logarithm — A single branch of the complex logarithm. The hue of the color is used to show the arg (polar coordinate angle) of the complex logarithm. The saturation (intensity) of the color is used to show the modulus of the complex logarithm. The page with… …
119graph — /graf, grahf/, n. 1. a diagram representing a system of connections or interrelations among two or more things by a number of distinctive dots, lines, bars, etc. 2. Math. a. a series of points, discrete or continuous, as in forming a curve or… …
120Degenerate conic — Main article: Conic section In mathematics, a degenerate conic is a conic (degree 2 plane curve, the zeros of a degree 2 polynomial equation, a quadratic) that fails to be an irreducible curve. This can happen in two ways: either it is a… …
