Enter your favorite stores and meals stored in the phone, randomlyselected one

1. Set the first digit and the second digit 2. Set the operatorandthe number of topics 3. Generate or update a topic 4. Youcanbrowse the topics or browse the answers 5. Can be sent by Email6.Set the number of e-mail and leave the save

Calculate the number of units that a dollar can buy

Comparison of two size fractions