Google Docs has been updated and added the expected support for LaTeX equations In addition to automatic corrections and a very useful and easy to insert images into the cells of a spreadsheet.
But one thing at the beginning, that support for LaTeX is undoubtedly the most important thing, not for nothing is a markup language as used in academia. Now the inclusion of items is very simple equations, as seen in guide.
Regarding the pictures, now they can insert individual cells, with good formatting options such as stretching, adjusting the cell width, published in original size or select a custom size.
Also added two useful features for entering text, such as automatic self-correction of errors (which can be disabled if you prefer) and insertion of symbols, which allows income (c) and make is transformed into the symbol ©, or do the same with "2 / 3" and get a ⅔.
