HP 40gs hp 40gs_user's guide_English_E_HDPMSG40E07A.pdf - Page 44
For a Function, definition, For a, Parametric, For a Polar, For a Sequence
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hp40g+.book Page 2 Friday, December 9, 2005 1:03 AM - 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). 2-2 Aplets and their views