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ADDENDUM.DOC
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1990-10-17
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ROI Calculations
----------------
PFROI V4.0 calculates annualized ROI assuming 365 1/4 days per year. This is
the average number of days/year over a four year period taking into account the
extra day which occurs on leap year. This means an investment gaining exactly
10% over a 365 day year will show an ROI of slightly more than 10%, whereas
an investment gaining exactly 10% over a 366 day year (leap year) will show
an ROI of slightly less than 10% for the year.
Prior versions of PFROI calculated ROI based upon months, rather than days.
This meant for example that an investment gaining 1% over a 31 day month
reported the same annualized ROI (12.683%) as an investment gaining 1% over
a 28 day February. This is no longer a problem in version 4 since days are
now the basis for the ROI calculation.
Yield Calculation
-----------------
Alternative Position display #2 (page 51) displays forecast annual income and
yield for a security. Once this figure is computed upon creation of a position
it is preserved even if the "Create" command is used to regenerate the
position. This allows recreations of "old" positions without picking up new
income rates from the master security list. If you want the forecast income
to be recomputed, used the undocumented "Alt+Y" (Yield) command.
"Qprc" Command
--------------
The "Qprc" command shown in the position screen examples on pages 50-52
is in error. This command is now the "Rprc" command (Retrieve Price) and
is used to retrieve prices from the Price History records into the position
records.
WKS Output
----------
Do not use double quotes (") in description fields if you do output to ".WKS"
type files.
Laser Text Setup Codes
----------------------
For 96 (Elite) and 132 (Compressed) character/line output on HP compat. laser
printers install the following setup codes:
96 char/line : "Esc"(s12H
132 char/line: "Esc"&k2S
where "Esc" is the "Escape" key (omit the quotes).
PFROI Misc. Specs
-----------------
Operative Miscellaneous specs on the PFROI "Configure" menu are:
F- : Suppress "fill" of allocation plot (VGA & EGA; CGA & Herc never fill)
T- : Disables automatic Sub-Totaling on position screen
C- : Disables automatic override of portfolio configurations by PFROI
configurations
C+ : (in Portfolio Config record) protects indiv. portfolio config. from
override by PFROI confg.
S+ : "Send price" command on position screen overrides existing prices
in price records.
PRODIGY
-------
A Mr. Bob Huff of "Micro Warehouse", Box 181507, Dallas, TX 75218,
Tele:214-349-1533 tells us that he has a program for about $10 that
will download prices from PRODIGY and will convert them into a
format that can be imported into the CAPTOOL/PFROI "Price History"
records. This may be a cheaper way to get your downloads.