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Long addition is the method of adding numbers together to arrive at the sum and Long subtraction lets one find the difference between two numbers.
Learn Series: Add & Subtract, has been designed to keep close to real-world long Addition and Subtraction.
The clean easy-use interface complements to accelerate and improve the learning process. As one progresses through the levels, the learning mode can be toggled On or Off to test proficiency.
App features include levels selection, active column highlighting, error indication and one-touch new add or subtract problem loading. The scroll number picker chooser,further enhances experience as opposed to an soft-mechanical keypad.
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