yes, I'm using a spreadsheet to calculate total cost basis. Using Libreoffice Calc (which I love, free software). has all the stuff Microsoft excel has, at least for my purposes.
I can't see that I can break down each purchase lot separately on tastyworks, but I haven't played with it enough, since I don't use it much. I have gotten the data I need, so I'm satisfied. I just thought it was crazy I couldn't easily find the value of shares in that broker