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This title is available on our Higher Education website. Linear algebra now rivals or surpasses calculus in importance for people working in quantitative fields of all kinds: engineers, scientists, ...
Substitution is the name given to the process of swapping an algebraic letter for its value. Consider the expression 8\({z}\) + 4. This can take on a range of values depending on what number \({z ...
In algebra, letters are used to stand for values that can change (variables) or for values that are not known (unknowns). A term is a number or letter on its own, or numbers and letters multiplied ...
That was my immediate reaction to Forever Notes, a systematic approach to note-taking that uses Apple Notes as its foundation. Forever Notes’ author, Matthias Hilse, describes the system as follows: ...
If you’re a heavy Notes user, you know that sometimes a note can get unruly if you add too much content to it. Personally I have a lot of notes that require a lot of scrolling to see their full ...
What Is a Debit Note? A debit note is a document used and issued by a vendor to inform the buyer of current debt obligations. It can provide information regarding an upcoming invoice or serve as a ...
Ambushed. Traumatized. These were the words that Jeffrey, 76, used to describe how he felt when he stumbled upon his therapist’s notes after logging into an online patient portal in June.