Below are some frequently asked questions for when it comes to using EQUS or deciding if this Excel add-in is right for your needs. If you have just starting running EQUS with Excel and don’t know what to do, don’t worry just keep the EQUS window visible and it will do its best to visualize any formula you select while using Excel normally. However, if you are having trouble running EQUS have a look at our troubleshooting_guide

What does EQUS stand for?
EQUS stands for Enhancing the Quality and Usability of Spreadsheets

How does EQUS show the cells it is visualizing?
EQUS analyses the equation in a cell and works out each computation involved. This allows it to present the visualization and the intermediate computed values. The visualization shows the flow of the computation as a graph. Something simple like =abs(2+3*-4) looks like this:

abs ( 2 + 3 * - 4 )

Can I print EQUS visualizations?
The best way of using a copy of an EQUS visualization is to click the snapshot icon in the top right corner.

This copies the visualization to the clipboard and then you can paste it into documents, presentations, emails, etc.

Can I copy out EQUS visualizations?
The best way of copying of an EQUS visualization is to click the snapshot icon in the top right corner.

This copies the visualization to the clipboard and then you can paste it into documents, presentations, emails, etc.

How many worksheets can I have open?
EQUS places no limit on the number of worksheets.

How many workbooks can I have open with my EQUS licence?
EQUS places no limit on the number of workbooks open.

Does EQUS work with Office 365?
Yes- The EQUS add-in operates fully with Excel in Office 365 provided there is an on device installation.

Does EQUS work with implicit intersections?
Yes- The EQUS plugin operates fully with implicit intersections.

Does EQUS work with named cells and ranges?
Yes- The EQUS plugin operates Excel’s naming facility.

More Capabilities – What EQUS Can Do for You

Is EQUS accessible?
Yes – EQUS setting for visualization can be configured to suit the specific needs of those with partial visual impairments. Since EQUS operates with Excel the accessibility features supported by Excel are also available. See our configuration instructions.

Can I re-size the EQUS viewing pane?
Yes – the viewing pane is a normal taskpane and can be moved, resized and detached as you wish. You can also hide it completely and bring it back with the EQUS ribbon.

Visualizing long formulae in Excel

Can I edit Excel equations while EQUS is visualizing?
Yes – Excel operates as normal so you can edit an equation in a cell and when you select it see it visualized.

Can I use EQUS offline?
Yes – EQUS does check for patches and updates every so often for which it uses the internet.

Will EQUS handle the functions of trigonometry?

Will EQUS handle exponentials and natural logarithm?

How does EQUS present “pi”?
As with Excel, EQUS shows “pi” as a function with no parameters, it shows a truncated version of the value pi. For example, the area of a circle is =pi()*R1^2, if R1 is 5, the visualization looks like this:

pi r squared (where r is 5)

Will EQUS work with Visual Basic in Excel?

Getting EQUS working

When an EQUS licence expires, what happens? EQUS will give you warnings before the licence expires. When it does expire, you’ll not longer see the EQUS tab and visualization. Excel will carry on operating as normal.

If I move to a new machine, will I still be able use a single users licence? Yes, you’ll need to install EQUS on the new machine and use your licence key (the licence key and the link are in the emails you get).

What does installing involve? You’ll be emailed a licence key and a link to an executable. Running the executable will be put the EQUS software on your machine and when you run Excel, you’ll be reminded of the licence conditions and asked for your licence key. (Depending on your machine, the install may require that additional software from Microsoft is installed, the dialogue will lead you through that.)

For more information, check our troubleshooting_guide.

Limitations – Some things EQUS does not do

Can I edit Excel equations using EQUS?
No – you must still edit equations in Excel and visualize them in EQUS. EQUS is designed to visualize and therefore support understanding equations while using Excel.

Will EQUS work between different Excel workbooks?
Yes – but you’ll need to use EQUS Expert.

Will EQUS work with array formulas?
Yes – EQUS Expert will work with array based formulae. In some cases the full details of array formulae cannot be visualized because of technical limitations with Excel.

Will EQUS work with vlookup, hlookup and xlookup?
Yes – Excel and EQUS will operate as normal showing vlookup, hlookup and xlookup.

Will EQUS work with Table references?
EQUS will operate with some Table references but not all uses of tables will be visualized.

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