I'm working on a sort-of toy database application, and I've run across a point where it would be handy to store an arbitrary mathmatical function in a table and evaluate it in a query.<BR><BR>I was ...

Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. From the sixteenth century, computing ...

If you've ever used Excel, you're probably familiar with the panicky feeling that comes with using Microsoft's spreadsheet app. It can feel a little overwhelming and tough to navigate, even if you are ...

Learn how to graph logarithmic functions. The logarithmic function is the inverse of the exponential function. To graph a logarithmic function, it is usually very useful to make the table of values of ...

Make your R data.table code more efficient and elegant with these special symbols and operators. Plus, learn about the new fcase() function R data.table code becomes more efficient — and elegant — ...