This Web site is an easy guide to give you information about:

You can use excel with the following option:

Work Sheets
   - Each excel document includes 3 default empty sheets.
   - You are able to design and set the number of cells and rows for each sheet.
   - You are able to design the text, by fonts, colors, sizes etc.
   - You can set the alignment for each cell.
   - You can add customized borders.
   - You can add colors and templates to your excel sheets.
   - Your sheet design can be automatic by the data inside.
   - You are able to split and merge cells.

Formulas
   - Build your own formulas.
   - Use built in simple formulas.
   - Refer a formula to a cell.
   - Edit existing formulas.
   - Use numbers in formulas.
   - Use strings in formulas.
   - Report errors by formulas.

Functions
   - Write your own functions.
   - Add functions into your weorksheet.
   - Existing math functions.
   - Existing text functions.
   - Existing data functions.
   - Existing logic functions.
   - Existing search functions.
   - Calling functions.