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