Sometimes you just need to publish an old fashioned set of figures on a blog, its a snip with WordPress and a Vixo spreadsheet.
This is done by downloading and installing the Vixo WordPress plugin and then using the Vixo shortcode:
[vixo url="http://wordpress-demo.vixo.com/figures/"]
This is very simple to do. First you create your spreadsheet page and then you publish it as a public webpage:

To have a go yourself, get a Vixo spreadsheet:
(this is an embedded spreadsheet control too!)
Have a go, its straightforward.