Questions about example sentences with, and the definition and usage of "Estimation"

A: An "estimation" is an educated guess, so when someone makes an estimation they are making a guess influenced by useful information. "In my estimation", "by my estimation", and "according to my estimation" all mean the same thing, which is that the statement after is an estimation the person made. "Estimation" is usually used in science and math, but is not limited to it.
-In my estimation, the weather will continue to cool down.
(Maybe because it is fall or winter, or maybe because the weather has been cooling down recently, the speaker estimates that the weather will continue to cool down.)
(I hope this helped and wasn't too confusing!)

A: A round about figure

A: It means that it is the best description that you can give without measuring it. A common example would be:

Builder: I'll give you a fairly rough estimate for the work, but it might change after I see what needs to be done.

A: Estimation is an approximate amount "Our estimation for repair is $400". An assessment is a judgement on the condition of something. "I need an assessment done on my house to see how much it is worth"

A: both can be used as a noun, however, "estimation" is ONLY a noun, while "estimate" can be used as both. Examples: "I gave him an estimate of the cost" "I gave him an estimation of the cost" "I estimated the cost for him"

A: They mean roughly the same thing, except that Projection is about what will occur in the future, and has a more business feel.

A: Check the question to view the answer

A: × 31. I have been making an estimation for the plan, which I will do initial mechanical check and request subcontractor for further repair.
✓ 31. I have been making an estimation for the plan, in which I will do the initial mechanical check, but request for the subcontractor to do further repair.

A: I would say “the base for calculating depth” instead of “the base of calculating depth”

A: They are both correct.

A: Instead of " In my estimations " I think " According to my estimations " would sound better.
Also, the word " estimations " doesn't really sound correct for this sentence. You may want to say:
1) According to my calculations, I think this is the cause of the problem ". or
2) "According to my research, ....."
or
3) " According to my studies,...."
etc
---OR---
If you're trying to say that you found a mistake in your estimations, and that you've found the cause for that mistake, then I think it sounds fine.👍

A: "I've already pushed them for the estimation, but they haven't replied to me yet."