User Manual

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BAL 
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PV 󰂾INT 
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PRN 
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PMT 
u 名义利率与实际利率之间的换算
󰁱󰀍󰁉I 󰅕
I ' 
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󰂾󰀍󰅎󰁉󰁠󰁖
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󰂾󰅰4
4
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󰂦󰅡n 󰅰
󰂦󰅡
n 󰅰
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n 
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I 
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PV 
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PMT 
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FV 󰇬󰁦
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P Y 
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C Y 
󰅣󰅎󰁉󰅔󰀬
•BAL 󰂦󰅎󰁦
•INT 󰂦󰅰
•PRN 󰂦󰅰
•Σ INT 󰂦󰅡󰂦󰅰󰇚
•Σ PRN 󰂦󰅡󰂦󰅰󰇚
a : INT PM1 = I BAL PM1–1 × i I × (PMT sign)
b : PRN
PM1 = PMT + BAL PM1–1 × i
c : BAL
PM2 = BAL PM2–1 + PRN PM2
d :
Σ
PRN = PRN PM1 + PRN PM1+1 + … + PRN PM2
e :
Σ
INT = INT PM1 + INT PM1+1 + … + INT PM2
PM2
PM1
PM2
PM1
I
%' =
I%
(1+ ) –1
[C/Y ]
[P/Y ]
{ }
× 100
100 × [C/Y ]
i = I%'÷100