Texas Instruments BA II Plus - Entering Statistical Data

Appendix — Reference Information 93
where: M1 =month of first date
DT1 =day of first date
Y1 =year of first date
M2 =month of second date
DT2 =day of second date
Y2 =year of second date
MB =base month (January)
DB =base day (1)
YB =base year (first year after leap year)
30/360 day-count method
2
Note: The method assumes 30 days per month and 360 days per year.
where:
M1 =month of first date
DT1 =day of first date
Y1 =year of first date
M2 =month of second date
DT2 =day of second date
Y2 =year of second date
Note: If
DT1 is 31, change DT1 to 30. If DT2 is 31 and DT1 is 30 or 31,
change
DT2 to 30; otherwise, leave it at 31.
2. Source for 30/360 day-count method formula: Lynch, John J., Jr., and Jan H. Mayle.
Standard Securities Calculation Methods. New York: Securities Industry Association,
1986
DBD Y2( Y1)–360× M2( M1)++ 30× DT2( DT1)–+=