=SUM(A1:A15) If this SUM formula is put into cell A16, then the numbers in the cells above (A1 to A15) will be shown in cell A16 as a total.
While they may have been called magic squares, there is absolutely nothing magical about them. The arrangement of numbers in magic squares is all very rational.
They are called cell content. They could be labels or formulas.
Not at all. The class of "natural" numbers are all positive, but the classes of "real" numbers and "rational" numbers include negative numbers.
All the positive real numbers are natural numbers.
All emergency numbers is 911 either by cell or landline.
411, 511
Right
You can use both numbers and cell references in formulas.
All celbrities phone numbers are private
If you put numbers direct into formulas then the formulas are very restricted. They can only work with the specific numbers you have. If you want to use other numbers, you have to keep changing the formulas. It is better to use cell references in the formulas. Then all you have to do is change the cell values and the formulas will automatically calculate the new totals. It also makes it possible to copy the formulas so that they can use many sets of numbers, all through the same original formula. If you wanted to add 10 pairs of numbers, you could write 10 individual formulas each with the numbers you want to add, or do one single formula and copy it and it will add all 10 pairs. If numbers are in cells you can see the values on the sheet, which you can't do if they are all in the formulas. So if the numbers are separate in cells, it is easier to understand what is going on. For these and many other reasons, we use cell references rather than values in the spreadsheet formulas.
=SUM(A1:A15) If this SUM formula is put into cell A16, then the numbers in the cells above (A1 to A15) will be shown in cell A16 as a total.
If you want to know the logarithm of each individual number, type =LOG(A1), or whatever the first cell happens to be, for the first cell in the column of numbers, and then copy this cell downwards; Excel will automatically change the cell number to be relevant. If you want to know the logarithm of the sum of all numbers in a column, type =SUM(A1:A5), or the relevant ends of your range, in an empty cell and then =LOG(B6), or whatever the label of that cell was.
Numbers are aligned to the right in a cell by default.
Normally, you do not. I recommend you put text and numbers in separate cells. You can modify the width of columns and join cells to format almost unlimited layouts on a spreadsheet, so there is no reason why you need to combine text and numbers in the same cell. Another option, is to enter the numbers as a separate entry in another column. You can hide the column, so the numbers do not show in the view or a printed report. If you have an absolute requirement to combine text and numbers in a cell, you can extract the numbers with a custom macro. The algorithm would be to cycle through all the characters of the cell and save only those characters that are numbers, then copy the numbers to a separate cell where you can perform calculations.
Any cell can be formatted to show numbers in a currency format. If it is formatted to currency, then a cell could be said to be a currency cell, although it is not a formal term used.Any cell can be formatted to show numbers in a currency format. If it is formatted to currency, then a cell could be said to be a currency cell, although it is not a formal term used.Any cell can be formatted to show numbers in a currency format. If it is formatted to currency, then a cell could be said to be a currency cell, although it is not a formal term used.Any cell can be formatted to show numbers in a currency format. If it is formatted to currency, then a cell could be said to be a currency cell, although it is not a formal term used.Any cell can be formatted to show numbers in a currency format. If it is formatted to currency, then a cell could be said to be a currency cell, although it is not a formal term used.Any cell can be formatted to show numbers in a currency format. If it is formatted to currency, then a cell could be said to be a currency cell, although it is not a formal term used.Any cell can be formatted to show numbers in a currency format. If it is formatted to currency, then a cell could be said to be a currency cell, although it is not a formal term used.Any cell can be formatted to show numbers in a currency format. If it is formatted to currency, then a cell could be said to be a currency cell, although it is not a formal term used.Any cell can be formatted to show numbers in a currency format. If it is formatted to currency, then a cell could be said to be a currency cell, although it is not a formal term used.Any cell can be formatted to show numbers in a currency format. If it is formatted to currency, then a cell could be said to be a currency cell, although it is not a formal term used.Any cell can be formatted to show numbers in a currency format. If it is formatted to currency, then a cell could be said to be a currency cell, although it is not a formal term used.
The cell is the living thing - and according to the cell theory it is the smallest unit of life... therefore the things inside a cell are not considered living by themselves, but only all together as a cell.