In Numbers^x, Abbreviations^x

Hi. I will take job interview and have English exam. So now I am practising for it. Could you please read my essay and check it? The topic is the challenging that you have faced it. This is not all of my essay because it is longer so I just wanna ask you to check my main parts of sentences. I...

Anonymous wrote: Many thanks for your reply Nona. I would like to clarify the use of messieurs furthermore: 1) I see a lot of time in contract agreement that the abbreviation of messieurs is M/s, why is that? 2) when you address a company as messieurs, does that mean that you are...

Okay, business rules it is. For example, a business could require that every customer that get entered have a phone number, so that if you entered customer information without a phone number, it won't let you save and move on to the next operation. Most databases will already have constraints...

This is my version which agrees with your points, Kajjo. To (in order to) increase the octane number, the following lead compounds are added to the petrol for motor vehicle and airplane engines: tetraethyl lead (TEL) and tetramethyl lead (TML), in a solution of so called ethyl liquid (the...

Antonija wrote:Due to an increase in octane number, following lead compounds are added to the petrol for engine/motor vehicles and airplanes: tetraethyl lead (TEO) and tetramethyl lead (TMO), in the composition of so called ethyl liquid (the mixture of tetraethyl lead, ethil bromide,...

It's still a bit unclear to me whether "no." (or some other abbreviation, maybe) can be used to replace number eg. in phrases "Number of messages" and "Serial number". Would you please share your views. I do have a reason for using abbreviations.

Well, Anon, it depends on what you use as your style guide, doesn't it? Abbreviations are a matter of style, not grammar, which means that there is no "always do" and "never do." The most important thing for style is to be consistent within whichever style you choose to follow. You can use AP,...

To abbreviate the word ' number' it is with a capital 'N' and followed by a full stop.....i.e...'No.'

I'm personally not familiar with using "nr." but that doesn't mean it isn't ever done. His bib no. was 515 in the race would probably work, although you don't usually use abbreviations in normal prose. Save that for a chart. On the other hand, you can use the pound sign (#): He was #515 in the race.

According to what I've read, word "number" is abbreviated "no." Can this abbreviation be used anywhere to replace "number" (Number of students), or only when talking about a sequence number (Competitor number five)? Can the word be abbreviated also "nr."? Thanks for help!