Imagination. Innovation. Revolution. This is Minus One.
Learning how to subtract for the first time or building on your basics and working to get better at subtraction, Minus One makes subtraction easy to learn, practice and test.
Minus One brings math practice to your fingertips. You can solve the problems writing on the screen with your fingers. It is the most effective way to learn and the most natural way to practice math.
Stylish and creative design makes it easy selecting a topic you want to learn, practice or test.
Learn with Minus One. With the lively layout, step-by-step instructions, illustrations, and examples Minus One makes learning subtraction fun and thorough. Minus One is the only textbook you will ever need.
Practice with Minus One. With problems ranging from 1-digit to 6-digits, it turns you into an expert. With Minus One you never run out of practice material. Each problem is randomly generated, so you can practice and test your skills without limits. Minus One is the only workbook you will ever need.
Test your skills with Minus One. Set the time, choose a topic, take the test & get a detailed scorecard. Test your skills without pressure. Pause and resume anytime, skip a question and take the next & go back anytime and finish the rest.
Solving a problem or teaching someone, Minus One is all you need. Use Minus One as a whiteboard. You don’t need extra paper. You don’t need to remember the numbers.
Innovation at its best. Intuitive screen layout makes solving complex problems easier and quicker. Smart tools makes solving any problem a breeze and no problem is too difficult to handle. Minus One kindles math interest in the heart within.
This is Minus One. It is for you.
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