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  2. Software calculator - Wikipedia

    en.wikipedia.org/wiki/Software_calculator

    GNOME Calculator, a software calculator. A software calculator is a calculator that has been implemented as a computer program, rather than as a physical hardware device. They are among the simpler interactive software tools, and, as such, they provide operations for the user to select one at a time. They can be used to perform any process that ...

  3. Calculator - Wikipedia

    en.wikipedia.org/wiki/Calculator

    Computer operating systems as far back as early Unix have included interactive calculator programs such as dc and hoc, and interactive BASIC could be used to do calculations on most 1970s and 1980s home computers. Calculator functions are included in most smartphones, tablets, and personal digital assistant (PDA) type devices. With the very ...

  4. Programmable calculator - Wikipedia

    en.wikipedia.org/wiki/Programmable_calculator

    Some calculators run a subset of Fortran 77 called Mini-Fortran; the compiler is on the calculator so connecting to a PC to put programs onto the machine is not needed. The OnCalc C Compiler for the Casio fx-9860 series is now available. The Sharp PC G850V pocket computer has an onboard C compiler in addition to an assembler and a Basic ...

  5. Homebuilt computer - Wikipedia

    en.wikipedia.org/wiki/Homebuilt_computer

    Computer kits include all of the hardware (and sometimes the operating system software, as well) needed to build a complete computer. Because the components are pre-selected by the vendor, the planning and design stages of the computer-building project are eliminated, and the builder's experience will consist solely of assembling the computer ...

  6. HP-16C - Wikipedia

    en.wikipedia.org/wiki/HP-16C

    The HP-16C Computer Scientist is a programmable pocket calculator that was produced by Hewlett-Packard between 1982 and 1989. It was specifically designed for use by computer programmers, to assist in debugging. It is a member of the HP Voyager series of programmable calculators. It was the only programmer's calculator ever produced by HP ...

  7. Mechanical calculator - Wikipedia

    en.wikipedia.org/wiki/Mechanical_calculator

    In 1709, Italian Giovanni Poleni was the first to build a calculator that could multiply automatically. It used a pinwheel design, was the first operational calculating clock and was made of wood; [ 46 ] he destroyed it after hearing that Antonius Braun had received 10,000 Guldens for dedicating a pinwheel machine of his own design to the Holy ...