Whilst Microsoft Excel is a staple of most financial institutions, it does have some limitations. Many people have a requirement for bespoke Market Data and Analytical Methods, this poses numerous problems because developing for Excel is non-trivial and many companies get faced with increasing support overheads.
Exhale makes it quick, reliable and enjoyable to develop your vision inside Excel.
In order to allow custom logic, and custom data sources, ExHale makes it simple to create a User Defined Function (UDF). Simply add the attribute below:
[ExHaleFunction(Name="GetStockPrice",Description="Get the Spot for the Stock.")]
public double GetStockPrice(string stockTicker)
ExHale allows the Add-in to describe its Function Name, the Category in which the function resides, the Description, as well as the Name and Description of every Argument. This helps provide a professional and useable experience in Excel when using the ExHale platform.
Reliability
Unlike other implementations, ExHale not only makes developing Excel Add-ins easy, but also improves reliability. As Excel is only able to load one version of the .Net CLR at once (a Microsoft design limitation) ExHale will notify the user if they are using an incompatible 3rd Party Excel Add-in, drastically reducing un-explainable downtime. ExHale has been designed to simplify not only development, but also to minimize the support costs.
ExHale DOES NOT rely on Automation. As such no registry entries are required, allowing for use and installation without Administrator privileges.
ExHale can be easily adapted to fit on to your corporate platform, enforcing security policies, simplifying deployment roll out and licensing of all Add-ins used across the entire institution.
Isolation
ExHale has been designed so that one buggy Add-in cannot crash the spreadsheet, each Add-in is isolated in its own AppDomain. Unlike most techniques, in the event of a permissions error, or critical failure, useful support information is presented to the user and optionally the support team, rather than failing silently.
ExHale can radically speed up development time, reducing cost as well as Time to Market, by allowing re-compilation of .Net code without re-starting Excel.
ExHale offers developers new levels of customisation, Add-ins can even register new Functions at run time without requiring any methods to be defined at compile time.
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