financeformulegeneralrebecca.py

Created by tahiawalettebaye1

Created on December 16, 2025

860 Bytes


Formules générales
Tr = (1+tn) / (1+i)

Tr = taux int reel 
Tn = taux int nominal 
i = taux inflation 

int simple 
int = (C x t x n) / 365 ou 360 si lombarde

Actualisation 
V0 = Vn x (1+R)^-n ou C0 = Cn / (1+r)^n

Capitalisation 
Vn = V0 x (1+R)^n ou Cn = C(1+t)^n

Vn ou Cn = val future ou acquise
V0 = val actuelle 

Estimation taux int
Taux = R = (Vn/V0)^1/n  - 1 

Estimation duree placement 
n = Ln (Vn/V0) / Ln (1+R)

















Taux equivalent 
Rm = (1+R)^1/m - 1

Taux proportionnel 
Tm = R/m 

Rm = Tm = taux de la periode 

Actualisation flux multiples
V0=Ft/(1+R)^t

Capitalisation flux multiples
Vn=Ft*(1+R)^(n-t)

Flux multiples constant et limite dans le temps
V0=F/R*(1-(1+R)^(-n))
Vn=F/R*((1+R)^n-1)

Flux en croissance constante infini (rente perpetuelle)
V0=F1/(R-g)

Flux constant infini
V0=F1/R

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