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As
add-ins are revised, dates and the purposes of the revisions
are listed below. To check the version
of the add-in that you are using, find the date of the
add-in by choosing the About Add-in item on the submenu
for the add-in.
If you find that you are using
an older add-in than is available at this site, download
the add-in. Add-ins are stored in the zip format, so you
will have to un-zip the file. Once unzipped, replace any
old add-ins of the same name. Otherwise, Excel may use
the old version rather than the new. |
11/5/08 |
Corrected an error in the
Facility Layout add-in that occurred when a problem name
contained an underline symbol. The error was found
by David Porter. |
9/9/08 |
Changed a formula in the
MRP add-in. This affects problems using the fixed lot
size when the net requirements are greater than the lot
size. The error was pointed out by: vahid dastitash. |
2/26/08 |
Added a Routing add-in.
Also added the Opt. Sequence add-in that must
be used with the Routing add-in. Changed
the Add
OMIE add-in with
an additional button for the new add-in. The button should
install both the Routing and
Opt. Sequence add-ins. |
11/27/07 |
Fixed an error the Project add-in
that occurred when scheduling with more than one resource. |
8/16/07 |
Changed the Project add-in.
Corrected errors in schedule search process. Changed some
options regarding cash flows. |
8/7/07 |
Modified the Project add-in
to allow manual setting of depth and levels for the graphic
presentation of the project network. |
7/9/07 |
Changed all the demo files to
show current colors. Changed some add-ins. |
7/3/07 |
Changed all the add-ins to maintain
consistent colors. |
6/30/07 |
Made a number of changes to
accommodate Excel 2007. |
3/2/07 |
Improved the Freeze and Unfreeze
commands for the Project add-in. These
commands replace user-defined functions and buttons so
that workbooks can be transferred without Link warnings. |
3/1/07 |
Improved the Freeze and Unfreeze
commands for the Estimate and Economics add-ins. These
commands replace user-defined functions and buttons so
that workbooks can be transferred without Link warnings. |
2/25/07 |
Modified the OM/IE Contol add-in to include Capital Budgeting and delete Portfolio. |
2/25/07 |
Replaced the Portfolio add-in
with the Capital Budgeting add-in. The Markowitz
Porfolio option is now in the Equity add-in.
The Capacity
Planning option is temporarily not available. |
2/12/07 |
More changes to Portfolio add-in.
Be sure to use the latest Math Programming add-in
with the new version. |
2/8/07 |
Significant changes to Portfolio add-in.
Be sure to use the latest Math Programming add-in
with the new version. |
1/31/07 |
Significant
changes to the
Portfolio add-in. |
1/27/07 |
Corrected errors in the Capital
Budgeting part of the Portfolio add-in. |
1/12/07 |
Added an Inventory Game to
the OM/IE collection. Modified the Simulation add-in to
work with the game. |
9/11/06 |
Changes in the Estimate add-in
to correct a problem with adding and deleting items. |
8/9/06 |
Changes in the Economics,
Estimation and Project
Management add-ins. The most significant changes
are in the Economics add-in. The add-in can now change
the model forms by adding and deleting cash flow components.
New features using the Random Variables add-in provide
for modeling uncertainty, both analytically and with simulation. |
6/23/06 |
Extensive
modifications of the Equity add-in. |
5/25/06 |
Added the
Equity add-in and modified the Add OMIE control add-in
to include the new add-in. |
4/12/06 |
Corrected the formula for the
NPW estimate in Estimate add-in. This only appears
when the model includes random variables. |
4/11/06 |
Corrected the formula for Actual
Uniform (NAW) in Economics add-in. This only
appears when the model includes inflation. |
12/20/05 |
Changed some titles in Estimate add-in. |
12/5/05 |
Added new Estimate add-in.
Changed Add OMIE to include Estimate link. |
10/27/05 |
Corrected an error in Economics add-in
for counting sign changes in cash flow. |
6/28/05 |
Added several
new features to the Process Flow add-in. |
4/19/05 |
Changed the Inventory
add-in to make it more difficult to make errors for the
Common Cycle model. |
3/13/05 |
Modified the
Economics add-in to provide a new entry point useful for
the Function Monte Carlo option of the Random Variables
add-in. |
2/23/05 |
Corrected errors
in the optimization portion of the Project Management add-in. |
2/15/05 |
Added calendar and
color options to the Project Management add-in. Changed
Random Variables add-in to be compatible to Project Management
add-in. |
2/10/05 |
Added dates to the
Project Management add-in. |
2/4/05 |
New Update capabilities
added to the Project Management add-in. |
2/2/05 |
Probability distributions
and simulation added to the Project Management add-in. |
1/26/05 |
Added Distribution
and Simulation options to the Project Management
add-in. Also made a number of corrections and improvements. |
1/19/05 |
Added Update
option to the Project Management add-in. Also made
a number of improvements.
Modified Portfolio add-in to provide simpler
data entry. |
1/12/05 |
Corrections to
the computations for the Project Management add-in. |
1/9/05 |
Added new graphical
features to the network graph for the Project Management
add-in. |
1/8/05 |
Significant changes
and corrections to the Project Management add-in. |
12/30/04 |
Added a Refresh
Functions command that relinks functions for a worksheet
opened on a different computer than the one that created
the worksheet. |
12/28/04 |
Added variable time
activities to Project Management add-in |
12/26/04 |
Added a cash flow
analysis and other significant improves to Project Management
add-in |
10/10/04 |
Corrected a problem
with the buttons in the Layout add-in |
9/30/04 |
Significant improvements
to the Project Management add-in. |
9/24/04 |
Corrected and added
a scheduling feature to the Project Management add-in. |
9/18/04 |
Created a new archive
with Project Management and new OMIE Control |
9/6/04 |
Correction to the
Process add-in to correct error when computing wip for lot
sizes other than 1. |
9/1/04 |
Correction to the
Process add-in to correct error in throughput time calculation. |
7/15/04 |
Corrections to the
Portfolio add-in. |
7/9/04 |
Added a Capacity
Portfolio option to the Portfolio add-in. |
7/2/04 |
Added a multiperiod
feature to the Portfolio add-in. |
6/8/04 |
Corrected an error
when the number of decision variables is greater than the
number of assets in the Portfolio add-in |
6/5/04 |
Added Markowitz
analysis to the Portfolio add-in |
5/26/04 |
Added correlation
to Capital Budgeting in the Portfolio add-in. |
5/24/04 |
Added risk to Capital
Budgeting in the Portfolio add-in. |
5/13/04 |
Variance added to
Capital Budgeting in the Portfolio add-in. |
5/11/04 |
Capital Budgeting
added to the Portfolio add-in. |
4/22/04 |
Changed OMIE Control
add-in to correct MRP reference which sometimes did not
appear. |
3/14/04 |
Moved the Manufacturing
add-ins to the OM/IE add-in page. Moved the Forecasting
add-in to the OM/IE collection. Changed OMIE Control add-in.
Made new archives. |
| 3/14/04 |
This page was
created for revisions of the Operations Management / Industrial
Engineering add-ins. |
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