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  2. Sharp EL-5120 - Wikipedia

    en.wikipedia.org/wiki/Sharp_EL-5120

    The Sharp EL-5120 is a scientific programmable calculator. It has about 1 KB of total RAM available to the user, and has 4 basic operational modes: Real mode: it is the basic operational mode for directly performing standard algebraic and statistical calculations, as well as evaluating user-defined functions and numerically integrating them.

  3. Sharp EL-500W series - Wikipedia

    en.wikipedia.org/wiki/Sharp_EL-500W_series

    Sharp EL-500W series include a range of scientific calculators made by Sharp Corporation, capable of displaying 2 lines, with multi-line playback. It is the successor to the Sharp EL-500V series . Features

  4. Complex number - Wikipedia

    en.wikipedia.org/wiki/Complex_number

    Complex numbers allow solutions to all polynomial equations, even those that have no solutions in real numbers. More precisely, the fundamental theorem of algebra asserts that every non-constant polynomial equation with real or complex coefficients has a solution which is a complex number.

  5. Casio fx-7000G - Wikipedia

    en.wikipedia.org/wiki/Casio_fx-7000G

    The calculator uses a tokenized programming language (similar to the earlier FX-602P) which is well suited to writing more complex programs, as memory efficiency is a priority. Tokenization is performed by using characters and symbols in place of long lines of code to minimize the amount of memory being used.

  6. Complex-base system - Wikipedia

    en.wikipedia.org/wiki/Complex-base_system

    Binary coding systems of complex numbers, i.e. systems with the digits = {,}, are of practical interest. [9] Listed below are some coding systems , (all are special cases of the systems above) and resp. codes for the (decimal) numbers −1, 2, −2, i. The standard binary (which requires a sign, first line) and the "negabinary" systems (second ...

  7. Complex Number Calculator - Wikipedia

    en.wikipedia.org/?title=Complex_Number...

    To a section: This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a page, use {{R to anchor}} instead.

  8. Euler's formula - Wikipedia

    en.wikipedia.org/wiki/Euler's_formula

    In fact, the same proof shows that Euler's formula is even valid for all complex numbers x. A point in the complex plane can be represented by a complex number written in cartesian coordinates. Euler's formula provides a means of conversion between cartesian coordinates and polar coordinates. The polar form simplifies the mathematics when used ...

  9. Principal value - Wikipedia

    en.wikipedia.org/wiki/Principal_value

    Complex valued elementary functions can be multiple-valued over some domains. The principal value of some of these functions can be obtained by decomposing the function into simpler ones whereby the principal value of the simple functions are straightforward to obtain.