Open CALC and do the following:

1. Format cells, merge cells, autofill. Write your TIMETABLE and give it a good appearance (use colors & A4 landscape).

2. Imagine you are designing a prototype and you need to calculate the total cost of all materials and working hours. Prototype COST.

3. Upload it to your dropbox shared folder with the name  CCxxNameLastName_CALC_Intro.ods