HP 48gII Graphing Calculator Manual do Utilizador descarregar pdf (Página 171)

The following screen shows that functions EXPM and LNP1 do not apply to

complex numbers. However, functions GAMMA, PSI, and Psi accept complex

Function DROITE: equation of a straight line

Function DROITE takes as argument two complex numbers, say, x

, and returns the equation of the straight line, say, y = a+bx, that

contains the points (x

). For example, the line between points

A(5,-3) and B(6,2) can be found as follows (example in Algebraic mode):

Function DROITE is found in the command catalog (‚N).

Using EVAL(ANS(1)) simplifies the result to:

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HP 48gII Graphing Calculator Manual do Utilizador Página 171