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We have business critical calculations that run on excel. We would like to move these into a stand-alone application written in C# with a [url removed, login to view] framework and jquery for web interface. Both internal use and an external slimmer version for customers will be needed to interface with the calculation engine all through a web based application. The output would be on-screen (think graphs like finance.google) plus the ability to generate a multi-page pdf output and store calculations in a database (sql). The interface on the web must have web 2.0 look and feel and have on-the-fly recalibration of the graphs, etc., as variables are modified (i.e., the system queries the calculation engine on every change or as the mouse is moved to change lines on the graphs versus a “press calculate” button that initiates the query). We need flexibility in the variables shows to customers versus our internal use—thus, a password or log-in feature that differentiates. Plus, whilst the math behind the calculations do not change, the pricing table that is used does.
Math involved is fairly straightforward.