Hp Prime Graphing Calculator Manuel d'utilisateur télécharger pdf (Page 390)

100

101

386 Functions and commands

exact Converts an irrational expression to a rational or real

expression.

exact(Expr)

Example:

exact(1.4141) gives 14141/10000

exbisector Draws the exterior bisector of the angle AB-AC given by A,B,

and C.

exbisector((Pnt or Cplx(A)),(Pnt or

Cplx(B)),(Pnt or Cplx(C)))

Example:

exbisector(0,–4i,4) draws the line given by y=x

excircle Draws the excircle of the triangle ABC.

excircle((Pnt or Cplx(A)),(Pnt or

Cplx(B)),(Pnt or Cplx(C)))

Example:

excircle(GA,GB,GC) draws the circle tangent to BC

and to the rays AB and AC

EXP Returns the solution to the mathematical constant e to the

power of an expression.

exp(Expr)

Example:

exp(0) gives 1

exponential_

regression

Returns the coefficients (a,b) of y=b*a^x, where y is the

exponential which best approximates the points whose

coordinates are the elements in two lists or the rows of a

matrix.

exponential_regression(Lst||Mtrx(A),[Lst])

Example:

exponential_regression([[1.0,2.0],[0.0,1.0],[

4.0,7.0]])

gives 1.60092225473,1.10008339351

EXPORT Export. Exports the function FunctionName so that it is

globally available and appears on the User menu

(

D ).

EXPORT(FunctionName)

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Hp Prime Graphing Calculator Manuel d'utilisateur Page 390

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