excell has to work on ipad

Dear, our excel need to work on an ipad or we need to develop application with same possibilities. we do have an excell sheet with different tabs. 1 tab: control pannel - introduce client number and client details will be picked up from other excell file - client category that determines price level (we do have three different categories) - standard all product categories get same price level as indicated in client profile (you can change price level for individual groups) 2 tab: catalogue of product group x -pictures of products -prices for this products (looked up in other file -master file sales prices- price level depend on selected client category ) - Volume of proiduct when taking an order you go trough this tab and indicate the requested quantity tab 3 is other product group tab 4 similar... tab z sumary of offer each row need to have the following content - picture of product looked up in a map - product code - description - qty - price - volume - total amoungt - total volume only for the items where we inserted a quantity in the catalogue Total volume must indicate if it is a 20' / 40' or 40' HC if you are able to let work this excell sheet on an ipad or write an application this would be both ok for us. please offer me your best price this need to be written in english please give me some references