Hp Prime Graphing Calculator Manuel d'utilisateur télécharger pdf (Page 267)

100

101

Solve app 263

Solution information

When you are solving a single equation, the button

appears on the menu after you tap . Tapping

displays a message giving you some information about the

solutions found (if any). Tap to clear the message.

Message Meaning

Zero The Solve app found a point where both

sides of the equation were equal, or where

the expression was zero (a root), within the

calculator's 12-digit accuracy.

Sign

Reversal

Solve found two points where the two sides

of the equation have opposite signs, but it

cannot find a point in between where the

value is zero. Similarly, for an expression,

where the value of the expression has

different signs but is not precisely zero.

Either the two values are neighbors (they

differ by one in the twelfth digit) or the

equation is not real-valued between the two

points. Solve returns the point where the

value or difference is closer to zero. If the

equation or expression is continuously real,

this point is Solve’s best approximation of

an actual solution.

Extremum Solve found a point where the value of the

expression approximates a local minimum

(for positive values) or maximum (for

negative values). This point may or may not

be a solution.

Or:

Solve stopped searching at

9.99999999999E499, the largest number

the calculator can represent.

Note that the Extremum message indicates

that it is highly likely that there is no

solution. Use Numeric view to verify this

(and note that any values shown are

suspect).

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Hp Prime Graphing Calculator Manuel d'utilisateur Page 267

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