Hp 50g Graphing Calculator Manual do Utilizador descarregar pdf (Página 446)

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Page 13-11

Θ Level 3: the function f(VX)

Θ Two lists, the first one indicates the variation of the function (i.e., where

it increases or decreases) in terms of the independent variable VX, the

second one indicates the variation of the function in terms of the

dependent variable.

Θ A graphic object showing how the variation table was computed.

Example: Analyze the function Y = X

-4X

-11X+30, using the function TABVAR.

Use the following keystrokes, in RPN mode:

'X^3-4*X^2-11*X+30' `‚N ~t(select TABVAR) @@OK@@

This is what the calculator shows in stack level 1:

This is a graphic object. To be able to the result in its entirety, press ˜. The

variation table of the function is shown as follows:

Press $ to recover normal calculator display. Press ƒ to drop this last

result from the stack.

Two lists, corresponding to the top and bottom rows of the graphics matrix

shown earlier, now occupy level 1. These lists may be useful for programming

purposes. Press ƒ to drop this last result from the stack.

1 2 ... 441 442 443 444 445 446 447 448 449 450 451 ... 886 887

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