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28 Sección 2: Funciones de porcentaje y calendario
File name: hp 12c_user's guide_Spanish_HDPMBF12S31 Page: 28 of 208
Printered Date: 2005/7/29 Dimension: 14.8 cm x 21 cm
Porcentaje del total
Para calcular qué porcentaje representa un número respecto a otro:
1. Calcule el importe total sumando los importes individuales, igual que en un cálculo
aritmético en cadena.
2. Introduzca el número cuyo equivalente porcentual desea calcular.
3. Pulse
Z
.
Ejemplo:
El mes pasado, su compañía registró ventas de 3,92 millones de € en EE.UU.,
2,36 millones de € en Europa y 1,67 millones de € en el resto del mundo.
¿
Qué porcentaje
de las ventas totales corresponde a Europa
?
Pulse Pantalla
3,92\
3,92
Introduce el primer número y lo separa del
segundo.
2,36+
6,28
Suma el segundo número.
1,67+
7,95
Suma el tercer número para obtener el
total.
2,36
2,36
Introduce 2,36 para calcular qué
porcentaje representa respecto al número
de la pantalla.
Z
29,69
Europa re
g
istró cerca del 30% del total de
las ventas.
La calculadora hp 12c conserva el importe total después de calcular un porcentaje del total.
En consecuencia, para calcular qué porcentaje representa otro importe respecto al total:
1. Pulse
O
para borrar la pantalla.
2. Introduzca ese importe.
3. Pulse
Z
otra vez.
Por ejemplo, para calcular qué porcentaje de las ventas totales del ejemplo anterior se
produjo en EE.UU. y qué porcentaje se produjo en el resto del mundo:
Pulse Pantalla
O3,92Z
49,31
Los EE.UU. registraron alrededor del 49%
del total de las ventas.
O1,67 Z
21,01
El resto del mundo registró cerca del 21%
del total de las ventas.
Para calcular qué porcentaje representa un número respecto a un total, cuando ya se conoce
el número total
1. Introduzca el número total.
2. Pulse
\
para separar el otro número del número total.
3. Introduzca el número cuyo equivalente porcentual desea calcular.
4. Pulse
Z
.
28


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