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FOSS is in use in every state in the country with over 100,000 teachers and 2 million students and is in approximately 16% of the nation's school districts. FOSS was the first non-textbook curriculum to make the California adoption list (1992) and was adopted in California for the 2007 science adoption (FOSS California K–5).
A state variable is one of the set of variables that are used to describe the mathematical "state" of a dynamical system.Intuitively, the state of a system describes enough about the system to determine its future behaviour in the absence of any external forces affecting the system.
In physics and chemistry, an equation of state is a thermodynamic equation relating state variables, which describe the state of matter under a given set of physical conditions, such as pressure, volume, temperature, or internal energy. [1] [2] Most modern equations of state are formulated in the Helmholtz free energy.
In differential geometry, a one-form (or covector field) on a differentiable manifold is a differential form of degree one, that is, a smooth section of the cotangent bundle. [1] Equivalently, a one-form on a manifold is a smooth mapping of the total space of the tangent bundle of to whose restriction to each fibre is a linear functional on the ...
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The state-transition matrix is used to find the solution to a general state-space representation of a linear system in the following form ˙ = () + (), =, where () are the states of the system, () is the input signal, () and () are matrix functions, and is the initial condition at .
The Free High School Science Texts (FHSST) organization is a South African non-profit project, which creates open textbooks on scientific subjects. Textbooks are edited to follow the government's syllabus, and published under a Creative Commons license (CC BY [1]), allowing teachers and students to print them or share them digitally.
"A pedagogical analysis of science textbooks: How can we proceed?." Research in Science Education (1996) 26#1 pp: 55–71. Liang, Ye, and William W. Cobern. "Analysis of a Typical Chinese High School Biology Textbook Using the AAAS Textbook Standards." (2013). online; Myers, Gregory A (1992). "Textbooks and the sociology of scientific knowledge".