<< . . . Microsoft doesn't have to define their functions either; merely by being the de facto standard, their functions do what they do, and any attempt to change them would destroy the financial world.

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I strongly doubt that any serious financial institution would accept any software other than such in which every function's precise specifications is known and exactly what they want it to be. At least that's the way things were in Bank of America's Global Trading Dept. 1987-91, where we almost always wrote our own software. Too much money was at stake to screw up. --Dan ________________________________________________________________________________________ "Outside of a dog, a book is man's best friend. Inside of a dog, it's too dark to read." --Groucho Marx