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Grundlegende Rechnungen Kapitel 2
Beispiel Berechnung von x und y wenn r = 25 und
θ
= 56°
Bedienung Display
!Zcc1(Deg)Q
K[2(ANGL)[[
2(Rec()25,56)w Ans
1
13.979
13.97982259 (x)
2
20.725
20.72593931 (y)
(5) Permutation und Kombination
uu
uu
u Permutation
uu
uu
u Kombination
Beispiel Berechnung der möglichen Zahl unterschiedlicher Arrangements
mit 4 Posten, die aus 10 Posten gewählt werden.
Formel Bedienung Display
10P4 = 5040 10K4(PROB)
2(
nPr)4w 5040
Beispiel Berechnung der möglichen Zahl unterschiedlicher Kombina-
tionen mit 4 Posten, die aus 10 Posten gewählt werden.
Formel Bedienung Display
10C4 = 210 10K4(PROB)
3(
nCr)4w 210
(6) Andere wichtige Punkte
kk
kk
k Multiplikationszeichen
In den folgenden Fällen können Sie das Multiplikationszeichen wegglassen.
•Vor den folgenden wissenschaftlichen Funktionen:
sin, cos, tan, sin
–1
, cos
–1
, tan
–1
, log, In, 10
x
, e
x
, ,
3
, Pol(x, y), Rec(r,
θ
), d/dx,
Seq, Min, Max, Mean, Median, List, Dim, Sum
Beispiele: 2 sin30, 10log1,2, 2
3 usw.
•Vor Konstanten, Variablennamen, Ans-Speicher-Inhalten.
Beispiele: 2π, 2AB, 3Ans, 6X usw.
Vor einer offenen Klammer:
Beispiele: 3(5 + 6), (A + 1)(B –1)
n! n!
nPr = ––––– nCr = –––––––
(nr)! r! (nr)!
47


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