
arithmetic - What are the formal names of operands and results …
I'm trying to mentally summarize the names of the operands for basic operations. I've got this so far: Addition: Augend + Addend = Sum. Subtraction: Minuend - Subtrahend = Difference. …
Set Addition vs. Set Union - Mathematics Stack Exchange
2014年2月1日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
How to add and subtract values from an average?
2011年2月16日 · I know that's an old thread but I had the same problem. I want to add a value to an existing average without having to calculate the total sum again. to add a value to an …
How do you add, subtract, multiply, and divide infinite decimals?
2018年12月12日 · Suppose I want to add $0.9999\dots$ and $0.0000\dots$. If the " $\dots$ " means all $9$ 's in the first case and all $0$ 's in the second, then the sum is $1$ , and there …
probability: when to multiply when to add? - Mathematics Stack …
The single event is rolling a number(1/6). The compounding events are rolling 4 or bigger. Logically, you will have more chance. You add. Probability of getting Number cards from a …
Mathematics Stack Exchange
Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their …
physics - How to add Decibels? - Mathematics Stack Exchange
$\begingroup$ Thank you. To my understanding, Decibel always needs a reference value to "give it meaning". So I understand the equation is basically undoing the decibel to work out the …
How can I format mathematics here? - Help Center
Many posts at Mathematics Stack Exchange include mathematical notation, written using $\mathrm\LaTeX$ commands surrounded by dollar signs. If you see dollar signs with what …
How do you add two series together - Mathematics Stack Exchange
2015年5月7日 · This isn't wrong but if i were you i would write it as Laurent series. $\displaystyle\frac {1}{2}\left(\sum_{n=0}^\infty \frac{2^n}{(z-3)^{n+1}}+\sum_{n=0}^\infty ...
Difference between "≈", "≃", and "≅" - Mathematics Stack Exchange
Real life triangles use approximations and have rounding errors. 3/4 does not equal 3.1/4.1 but could be rough approximations for something already constructed. As such this is not a …