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For the average company, Scope 3 emissions estimates are significantly higher than the level of direct emissions. [157] NGOs such as SBTI are working to address this. If a company's Scope 3 emissions are more than 40% of their total, that company needs a Scope 3 target to meet SBTi standards. [158]
SageMath is designed partially as a free alternative to the general-purpose mathematics products Maple and MATLAB. It can be downloaded or used through a web site. SageMath comprises a variety of other free packages, with a common interface and language. SageMath is developed in Python.
This was especially so when calculations involved non-decimal currencies or weights and measures. [1] Various devices were invented to aid this process, such as the abacus , log tables , slide rule , stepped reckoner , or the comptometer , but the most commonly used device for everyday commerce was the ready reckoner.
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James P. Lewis [7] suggests that project scope represents the area of the triangle, and can be chosen as a variable to achieve project success. He calls this relationship PCTS (Performance, Cost, Time, Scope), and suggests that a project can pick any three. The real value of the project triangle is to show the complexity that is present in any ...
The first scientific calculator that included all of the basic ideas above was the programmable Hewlett-Packard HP-9100A, [5] released in 1968, though the Wang LOCI-2 and the Mathatronics Mathatron [6] had some features later identified with scientific calculator designs.
Before the advent of the scientific pocket calculator, it was the most commonly used calculation tool in science and engineering. [3] The slide rule's ease of use, ready availability, and low cost caused its use to continue to grow through the 1950s and 1960s, even as desktop electronic computers were gradually introduced.
For hand calculations, the test is feasible only in the case of a 2 × 2 contingency table. However the principle of the test can be extended to the general case of an m × n table, [9] [10] and some statistical packages provide a calculation (sometimes using a Monte Carlo method to obtain an approximation) for the more general case. [11]