John Spiegel

John Spiegel published 1 application on Google Play, 1 people rated this app with an average rating of 5.00!

Math Commander by John SpiegelMath Commander

Rated 5.00(1) — John Spiegel

Level up your skills in addition, subtraction, multiplication, and division. Math Commander is great for memorizing all your basic math; it's perfect for times tables. No ads, no in-app-purchases.Math Commander remembers how well you've done on each...

Free App