iSpread is a spreadsheet app for iPad, iPhone and iPod that permits spreadsheets up to 26 columns by 1000 rows. Complex calculations are possible which can make use of cells' values and ranges of cells, including use of functions such as sum, product, average, logarithms, trig functions, and raising to a power. Cells' contents can be made boldface, italic, left or right aligned, centered, colored, and three fonts choices are available. Cells' borders can be made into solid lines. You can print to AirPrint-compatible printers. You can email a spreadsheet as either HTML or as a CSV attachment. You can open CSV attachments. iSpread Pro now lets you make line graphs and bar graphs of selected ranges of cells.