An equation is a mathematical expression that contains an equals symbol. Equations often contain algebra. Algebra is used in Maths when we do not know the exact number in a calculation - this unknown ...

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Math is one of the hardest subjects in school, which is why owning a graphing calculator seems like a necessity for students. But what if you could use your smartphone to solve equations by pointing ...

Posts from this author will be added to your daily email digest and your homepage feed. is a senior editor and author of Notepad, who has been covering all things Microsoft, PC, and tech for over 20 ...