Citizen SR-281N Instruction Manual page 237

Indhold
Generel vejledning ............................................................................ 2
Tænd og sluk ................................................................................... 2
Udskiftning af batterier ..................................................................... 2
Automatisk slukning ......................................................................... 2
Nulstilling (reset) .............................................................................. 2
Indstilling af kontrasten .................................................................... 3
Displayets elementer ....................................................................... 3
Inden du går i gang med at foretage beregninger .......................... 4
Anvendelse af " MODE "-tasterne.................................................... 4
Anvendelse af " 2nd "-tasterne ........................................................ 4
Rettelser .......................................................................................... 4
Fortrydfunktionen ............................................................................. 5
Gentagelsesfunktionen .................................................................... 5
Hukommelsesberegning .................................................................. 5
Operationsrækkefølge ..................................................................... 7
Nøjagtighed og kapacitet ................................................................. 7
Fejltilstande...................................................................................... 9
Grundlæggende beregninger ........................................................... 9
Aritmetiske beregninger ................................................................... 9
Parentesberegninger ..................................................................... 10
Procentberegning........................................................................... 11
Displaynotationer ........................................................................... 11
Videnskabelige funktionsberegninger .......................................... 13
Logaritmer og antilogaritmer .......................................................... 13
Brøkregning ................................................................................... 13
Konvertering mellem vinkelenheder............................................... 14
↔
Transformation sexagesimal decimal ....................................... 15
Trigonometriske / inverse trigonometriske funktioner..................... 15
Hyperbolske / inverse hyperbolske funktioner ............................... 16
Koordinattransformation ................................................................ 16
Sandsynlighed ............................................................................... 17
Andre funktioner ( 1/x, , , , x
3 X
Enhedskonvertering ....................................................................... 18
Fysiske konstanter ......................................................................... 19
Base-n-beregninger........................................................................ 25
Talsystemkonverteringer ................................................................ 25
Blokfunktion ................................................................................... 25
Grundlæggende aritmetiske operationer for talsystemerne ........... 27
Negative udtryk .............................................................................. 27
Logiske operationer ....................................................................... 27
Statistiske beregninger................................................................... 27
Indtastning af data ......................................................................... 28
Visning af resultater ....................................................................... 28
Sletning af data .............................................................................. 31
Redigering af data.......................................................................... 32
Meddelelsen FULL......................................................................... 32
Komplekse beregninger ................................................................. 33
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SR260B_SR-281N_Dannish_v090331.doc
2009/4/1
2 3 y
, x , x , INT, FRAC ) ........ 18
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