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Evaluación de la expresión
Para evaluar la expresión (o las partes de la expresión) dentro del escritor de
ecuaciones, destaque la pieza que usted desea evaluar y presione la tecla
@EVAL D.
Por ejemplo, para evaluar la expresión entera en este ejercicio, primero,
destaca la expresión entera, presionando ‚ ‘. Entonces, presione
@EVAL D. Si su calculadora se fija en modo Exact del CAS (es decir la
opción _Approx del CAS no ha sido seleccionada), entonces usted
conseguirá el resultado simbólico siguiente:
Si Ud. quiere recobrar la expresión sin evaluar utilice la función UNDO,
i.e., …¯(la primera tecla en la tercera fila contada de la parte superior
del teclado). La expresión recuperada se demuestra destacada como antes:
Si Ud. desea un resultado numérico, use la función NUM (es
decir, …ï). El resultado es el siguiente:
Utilice la función UNDO ( …¯) una vez más para recobrar la expresión
original:
75


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