By default you can put any type of data into a cell, like spreadsheets. If you want some input validation, you can add an optional input type to a cell. So you

By default you can put any type of data into a cell, like spreadsheets. If you want some input validation, you can add an optional input type to a cell. So you could set a number type on a cell, and then if someone tries to type a non-number, they'll get an error. http://docs.fieldbook.com/docs/input-and-formatting#input-types http://docs.fieldbook.com/docs/input-and-formatting#input-ty...