Je was op zoek naar: nper (Engels - Deens)

number of periods (nper)
antal perioder (nper)

ispmt(rate; period; nper; pv)
ispmt(rate; periode; nper; pv)

nper(0.1; -100; 1000) equals 11
nper( 0, 1; - 100; 1000) er lig med 11

nper(rate; payment; pv; fv; type)
nper( rente; betaling; pv; fv; type)

nper is the total number of periods during which annuity is paid.
nper er det totale antal perioder i hvilket annuiteten bliver betalt.

period is the amortisement period. 1 for the first and nper for the last period.
periode er amortiseringsperioden. 1 for den første og nper for den sidste period.

nper(0.06; 0; -10000; 20000; 0) returns 11.906
nper( 0, 06; 0; - 10000; 20000; 0) giver 11, 906

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