The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From JemmForce Apps:
Whether your child is in grade 1 or grade 7, GigaBird Math is the perfect app to help with addition, subtraction, multiplication and division. Choose from 9 skill levels, 4 operations and either game or practice mode. GigaBird Math also features options to quiz your child with addition/subtraction, multiplication/division or all 4 operations during the same session.As your child grows, this app will remain a great place to start when learning and memorizing multiplication tables. And GigaBird Math helps keep track of your child's progress with some key statistics. 10 minutes a day is all it takes to see a significant improvement in your child's math skills.