Hp Prime Graphing Wireless Calculator Uživatelský manuál stáhnout pdf (Strana 120)

100

101

116 Functions and commands

CAS menu

Press D to open the Toolbox

menus (one of which is the

CAS menu). The functions on

the CAS menu are those most

commonly used. Many more

functions are available. See

“Ctlg menu”, beginning on

page 172.

Note that the Geometry functions appear on the App menu.

The result of a CAS command may vary depending on the

CAS settings. The examples in this chapter assume the default

CAS settings unless otherwise noted.

Algebra

Simplify Returns an expression simplified.

simplify(Expr)

Example:

simplify(4*atan(1/5)-atan(1/239))yields (1/4)*pi

Collect Collects like terms in a polynomial expression (or in a list of

polynomial expressions). Factorizes the results, depending on

the CAS settings.

collect(Poly) or collect({Poly1,

Poly2,..., Polyn})

Examples:

collect(x+2*x+1-4) returns 3*x-3

collect(x^2-9*x+5*x+3+1)

returns (x-2)^2

Expand Returns an expression expanded.

expand(Expr)

Example:

expand((x+y)*(z+1))gives y*z+x*z+y+x

Factor Returns a polynomial factorized.

factor(Poly)

Example:

1 2 ... 115 116 117 118 119 120 121 122 123 124 125 ... 333 334

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