OpenOffice™ for PC
This full-featured open-source Office suite will run the Math on the Level 5-A-Day scheduling spreadsheets and is completely free! If you don't have Microsoft Excel®, download and use OpenOffice™ Calc.
This full-featured open-source Office suite for MAC is completely free! The Math on the Level 5-A-Day scheduling spreadsheets are fully compatible with OpenOffice™ Calc.
This is another OpenSource office suite which will run the Math on the Level 5-A-Day scheduling spreadsheets and is available for PC, MAC, and even a Raspberry Pi!
Microsoft Excel Online
If you are using the Math on the Level 5-A-Day Scheduling Spreadsheet but don't have Microsoft Office, another free option is to use Microsoft Excel Online. You must sign up for a Microsoft account in order to use it, and it is accessible only when connected to the Internet. However, it is free and works well.
This free web filtration service will help you track internet activities for your family and block objectionable sites no matter how your computer connects to the internet.
This excellent background utility reveals which programs load at startup and may be slowing down your computer or "calling home" without your knowledge.