Questions tagged [notation]
12 questions
97
votes
14 answers
For x=3 in Excel, why does = - x^2 + x result in 12 instead of -6?
Suppose my cell A1 in an Excel spreadsheet holds the number 3.
If I enter the formula
= - A1^2 + A1
in A2, then A2 shows the number 12, when it should show -6 (or -9+3)
Why is that? How can I prevent this misleading behaviour?
Rodolfo Oviedo
- 2,162
90
votes
1 answer
Strange dotless decimal notation of IP address... How does it work?
Earlier today I thought I had a URL in my clipboard, but I actually had four 9 digit integers copied from a spreadsheet, which were identification numbers from a proprietary system. Completely unrelated to the task at hand. I pasted it into Firefox…
beeks
- 1,082
- 8
- 13
4
votes
1 answer
According to Excel, 4^3^2 = (4^3)^2. Is this really the standard mathematical convention for the order of exponentiation?
According to Excel,
4^3^2 = 4096
However, according to what I learnt at school, first I have to compute 3^2 = 9 and then 4^9 = 262144.
Who is right, Excel of my former teacher?
Rodolfo Oviedo
- 2,162
2
votes
1 answer
Keyboard combination notations - is there list?
Wikipedia has a list of notations about the Control key:
http://en.wikipedia.org/wiki/Control_key#Notation
Is there a resource that lists the different notations for combinations of other keys (and/or notations for "non-abc" keys)?
Examples of…
n611x007
- 6,566
- 15
- 67
- 91
2
votes
4 answers
How common is fancy IP math accepted by tools?
If we specify an IPv4 address we all usually do the pattern of 1.2.3.4
Now essentially this is only 'a' way of writing a 32 bit number in a more human readable form.
The IP address 1.2.3.4 can also be written as
1.2.(3*256+4) = 1.2.772
This makes…
Niels Basjes
- 546
1
vote
1 answer
Installing Audiveris OCR for music notation
I am trying to install the Audiveris OCR for music notation.
As a part of the installation I have installed the Microsoft VC++ environment as noted in the instructions below.
My question is about the 2nd part of the instructions:
"The system…
Xavierjazz
- 8,218
1
vote
1 answer
Finale: How do I add note to an existing chord using the simple entry tool?
The title is pretty self-explanatory. I have an existing chord of one or more notes. I'm in simple entry mode. I can use the left/right arrow keys to move between chords. But the up/down arrows move the existing note rather than allowing me to…
Ben V
- 4,542
1
vote
2 answers
What does mean?
I was reading the a vim tips page and stumbled across . How do I enter that on my keyboard? (I'm on a mac)
kilojoules
- 650
0
votes
1 answer
Resetting Virtual Instrument volume in Musink composer
I am using the free notation software Musink to compose music. My music plays back through a virtual MIDI cable that is connected to a group of virtual instruments, as described in Musink's Help Wiki. I have set each stave's volume in my Virtual…
Jude
- 3
- 1
0
votes
1 answer
Line break breaks scientific notation
My text contains a numerical value with scientific notation ("7∙10-5 mm Hg at 25 °C", with "-5" in superscript). Word insists on a line break between "-" and "5" when the expression occurs at the end of line. Anyone has an idea how to stop such…
0
votes
1 answer
How to get this data store notation to draw data flow diagram in Microsoft Visio?
I am drawing data flow diagram and I found that the notation of data store to draw data flow diagram in Visio is not what I want.
This is the default data store notation:
This is what I want:
Any help is appreciated!
Chek Wei Tan
- 223
0
votes
1 answer
What do letters and numbers in DDR2 description/designation/notation line mean?
E.g. Samsung 2GB 2Rx8 PC2-6400S-666-12-E3.
According to https://en.wikipedia.org/wiki/DDR2_SDRAM#Chips_and_modules :
PC2 - DDR2
6400 - theoretical bandwidth in MB/s, corresponds to base frequency (6400 corresponds to DDR2-400)
S - SO-DIMM
What are…
ivan_pozdeev
- 1,973