I've got data in Google Spreadsheet, with columns as follows: DD.MM.YYYY CATEGORY COUNTER_1 COUNTER_2 For example: 22.12.2010 APPLES 1 20 23.12.2010 APPLES 100 20 23.12.2010 ORANGES 32 12 ...
I frequently use Google's ability to plot functions to get a quick view of what a function looks like, for example: sin(x), x^3. However, some operators that work when given a number, like 3! * x, ...
I would like to find a chart of the price development of an item that has was traded on ebay. For instance what was the price curve of the first iPhone over time? Does anyone know tools or websites ...