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  2. Wrightsoft - Wikipedia

    en.wikipedia.org/wiki/Wrightsoft

    As the original technical software partner of ACCA, [3] Wrightsoft Corp became the first HVAC software company to create a computerized version of their Manual J, Manual D, and Manual N calculation methods. The Air Conditioning Contractors of America and Wrightsoft released the very first Manual J Load calculation software (Right-J) in February ...

  3. Cooling load temperature difference calculation method

    en.wikipedia.org/wiki/Cooling_load_temperature...

    The CLTD/CLF/SCL (cooling load temperature difference/cooling load factor/solar cooling load factor) cooling load calculation method was first introduced in the 1979 ASHRAE Cooling and Heating Load Manual (GRP-158) [1] The CLTD/CLF/SCL Method is regarded as a reasonably accurate approximation of the total heat gains through a building envelope ...

  4. List of open-source software for mathematics - Wikipedia

    en.wikipedia.org/wiki/List_of_open-source...

    Originally conceived in 1988 by John W. Eaton as a companion software for an undergraduate textbook, Eaton later opted to modify it into a more flexible tool. Development begun in 1992 and the alpha version was released in 1993. Subsequently, version 1.0 was released a year after that in 1994.

  5. Calculator input methods - Wikipedia

    en.wikipedia.org/wiki/Calculator_input_methods

    Ten key input mode is available in printing calculators from companies such as Sharp, [20] and in software calculators like Judy's TenKey [21] used by accounting firms. Online tenkey training and certification tools are available as well, [ 22 ] [ 23 ] and some businesses use ten key typing speed as an employment criterion.

  6. Qalculate! - Wikipedia

    en.wikipedia.org/wiki/Qalculate!

    Qalculate! supports common mathematical functions and operations, multiple bases, autocompletion, complex numbers, infinite numbers, arrays and matrices, variables, mathematical and physical constants, user-defined functions, symbolic derivation and integration, solving of equations involving unknowns, uncertainty propagation using interval arithmetic, plotting using Gnuplot, unit and currency ...

  7. Calculator added up to fun for a math phobic kid in the 1970s ...

    www.aol.com/calculator-added-fun-math-phobic...

    The Texas Instruments TI-30 retailed for $24.95 (about $130 today) and operated on a 9-volt battery. It had a red, eight-digit display and offered such functions as percents, constants, roots ...

  8. JPMorgan consumer banking boss Marianne Lake on Trump, the ...

    www.aol.com/finance/jpmorgan-consumer-banking...

    Marianne Lake, who runs JPMorgan's sprawling consumer franchise, offers her thoughts on the state of bank regulation, Trump's return to the White House, and the possibility of a soft landing.

  9. List of numerical-analysis software - Wikipedia

    en.wikipedia.org/wiki/List_of_numerical-analysis...

    Salome is a free software tool that provides a generic platform for pre- and post-processing for numerical simulation. Shogun, an open-source large-scale machine-learning toolbox that provides several SVM implementations (like libSVM, SVMlight) under a common framework and interfaces to Octave, MATLAB, Python, R

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