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  2. HP-19B - Wikipedia

    en.wikipedia.org/wiki/HP-19B

    Business functionalities included percentage change, markup, currency exchange and unit conversions. It also had math capabilities such as trigonometry and graphing. Upscale functionality, at the time of release, included the ability to design your own problem solving equations and storing text directly in the calculator using the letter ...

  3. Lyryx Learning - Wikipedia

    en.wikipedia.org/wiki/Lyryx_Learning

    Lyryx Learning (Lyryx) was an educational software company for 23 years [2000-2023] offering open educational resources (OERs) paired with online formative assessment and other educational software for undergraduate introductory courses in Mathematics & Statistics and Business & Economics.

  4. HP calculators - Wikipedia

    en.wikipedia.org/wiki/HP_calculators

    A dual-powered (battery and solar cells) algebraic scientific calculator with 4-lines LCD screen and can display expressions in textbook format. HP Prime: 2013 A "smartphone competitor" with a 3 + 1 ⁄ 2-inch color touch screen, "apps", CAS and exam feature that allows both selection of RPN vs. Algebraic vs. textbook and exam format for use on ...

  5. 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 ...

  6. GeoGebra - Wikipedia

    en.wikipedia.org/wiki/GeoGebra

    GeoGebra is an interactive mathematics software suite for learning and teaching science, technology, engineering, and mathematics from primary school up to the university level. Constructions can be made with points, vectors, segments, lines, polygons, conic sections, inequalities, implicit polynomials and functions, all of which can be edited ...

  7. Calculator input methods - Wikipedia

    en.wikipedia.org/wiki/Calculator_input_methods

    On a single-step or immediate-execution calculator, the user presses a key for each operation, calculating all the intermediate results, before the final value is shown. [1] [2] [3] On an expression or formula calculator, one types in an expression and then presses a key, such as "=" or "Enter", to evaluate the expression.

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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

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

    It has a compatibility mode with Maple, Derive and MuPAD software and TI-89, TI-92 and Voyage 200 calculators. The system was chosen by Hewlett-Packard as the CAS for their HP Prime calculator, which utilizes the Giac/Xcas 1.1.2 engine under a dual-license scheme.