HP 40gs Manual do Utilizador descarregar pdf (Página 44)

100

101

2-2 Aplets and their views

– For a Function

definition, enter

an expression to

define F(X). The

only independent

variable in the

expression is X.

– For a

Parametric

definition, enter

a pair of

expressions to

define X(T) and

Y(T). The only

independent variable in the expressions is T.

– For a Polar

definition, enter

an expression to

define R(θ). The

only independent

variable in the

expression is θ.

– For a Sequence

definition, either

enter the first term,

or the first and

second terms, for U

(U1, or...U9, or

U0). Then define

the nth term of the sequence in terms of N or of

the prior terms, U(N–1) and/or U(N–2). The

expressions should produce real-valued

sequences with integer domains. Or define the

nth term as a non-recursive expression in terms of

n only. In this case, the calculator inserts the first

two terms based on the expression that you

define.

– Note: You will have to enter the second term if the

hp40gs is unable to calculate it automatically.

Typically if Ux(N) depends on Ux(N–2) then you

must enter Ux(2).

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