I just wanted to say that I tried to do it myself, but I'm ridiculously horrible at photoshop. I'm hoping that someone could make a scientific keypad, replicating the design from the regular keypad. It's a grey, transparent theme for the calculator (them: Transparent Calc in Cydia), but it didn't have a scientificKeypad file. PLEASE, someone help!

Here is the transparent landscapeKeypad file: