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2. Casio V.P.A.M. calculators - Wikipedia

   en.wikipedia.org/wiki/Casio_V.P.A.M._calculators

   Simultaneous linear equation solver supports up to 4 variables; Polynomial equation solver supports up to 4th degree equations and inequalities; Engineering symbols display and entry previously found in MS / W / S / D-series calculators; Periodic table mode with atomic weight information (fx-JP900, fx-991CE X and fx-991RS X only) [7] Models:

3. Linear equation - Wikipedia

   en.wikipedia.org/wiki/Linear_equation

   Conversely, every line is the set of all solutions of a linear equation. The phrase "linear equation" takes its origin in this correspondence between lines and equations: a linear equation in two variables is an equation whose solutions form a line. If b ≠ 0, the line is the graph of the function of x that has been defined in the preceding ...

4. Cramer's rule - Wikipedia

   en.wikipedia.org/wiki/Cramer's_rule

   In linear algebra, Cramer's rule is an explicit formula for the solution of a system of linear equations with as many equations as unknowns, valid whenever the system has a unique solution. It expresses the solution in terms of the determinants of the (square) coefficient matrix and of matrices obtained from it by replacing one column by the ...

5. These Calculators Make Quick Work of Standard Math ... - AOL

   www.aol.com/best-calculators-students...

   These Calculators Make Quick Work of Standard Math, Accounting Problems, and Complex Equations. Stephen Slaybaugh, Danny Perez, Alex Rennie. May 21, 2024 at 2:44 PM.

6. The Best Graphing Calculators to Plot, Predict and Solve ...

   www.aol.com/best-graphing-calculators-plot...

   These calculators haven’t changed much since they were introduced three decades ago, but neither has math. The Best Graphing Calculators to Plot, Predict and Solve Complicated Problems Skip to ...

7. Gaussian elimination - Wikipedia

   en.wikipedia.org/wiki/Gaussian_elimination

   Once y is also eliminated from the third row, the result is a system of linear equations in triangular form, and so the first part of the algorithm is complete. From a computational point of view, it is faster to solve the variables in reverse order, a process known as back-substitution. One sees the solution is z = −1, y = 3, and x = 2. So ...

8. Linear algebra - Wikipedia

   en.wikipedia.org/wiki/Linear_algebra

   Systems of linear equations arose in Europe with the introduction in 1637 by René Descartes of coordinates in geometry. In fact, in this new geometry, now called Cartesian geometry, lines and planes are represented by linear equations, and computing their intersections amounts to solving systems of linear equations.

9. Relaxation (iterative method) - Wikipedia

   en.wikipedia.org/wiki/Relaxation_(iterative_method)

   These equations describe boundary-value problems, in which the solution-function's values are specified on boundary of a domain; the problem is to compute a solution also on its interior. Relaxation methods are used to solve the linear equations resulting from a discretization of the differential equation, for example by finite differences. [2 ...