mastering excel formulas

Original: VSTO Learning Note (11) Developing Excel 2010 64-bit custom formulasExcel contains a lot of formulas, such as math, date, text, logic and other formulas, very convenient, can be flexible and fast processing of data to achieve the effect we want. Excel's built-in formula is strong, but in the ERP system, often need to do a lot of business calculations, s

= "multiplies-numbers", category= "useful Functions")] Public Static Double Multiplythem (doubledouble y) { return x * y; }}To create a Test.dna text file, add the following text snippet to declare the formula you created earlier. TestLib.dll"/>Open Excel, enter the formula =multiplythem (2,3) or =multiplythem (2; 3), and see that the result is 5.If. NET assembly to. NET 4.0, you will need to modify the text con

the same and different of Excel formula and function The first thing to do is to understand the two concepts of Excel formulas and functions. What is a formula? It is the use of subtraction and other operational symbols, a number of values, text, functions and other combinations, and have a mathematical formula to produce a result. For example, the following are

$ A5, C $34. Common Function errors Error value type Description ##### An error occurs when a negative date or time is used. # Value! An error occurs when an incorrect parameter or calculation object type is used. # DIV/o! An error occurs when the formula is divided by zero (0 ). # NAME? An error occurs when an Excel unrecognized text is used in the formula. # N/ An error occurs

People who often deal with execl certainly feel that the summation formula is often used by everyone. What are some of the ways to sum formulas in Excel? How are they used? I'll summarize it for you. Single conditional summation using the SUMIF () formula:To count the data in column C, the statistic condition is that the data in column B is "condition one." and put the result in C6 cell, we simply enter

!. This includes mainly 3 reasons. 1 If you enter text when you need a number or logical value, Excel cannot convert the text to the correct data type. Workaround: Confirm that the formula or function requires the correct operator or parameter, and that the formula refers to a cell that contains a valid number. For example, if cell A1 contains a number and cell A2 contains text, the formula = "A1+A2" returns the error value #value!. You can add thes

First, in the age of big data, data analysis becomes more and more important, the trend line added in Excel is an extension line in the chart, it can intuitively see the trend of the data, according to the actual data forecast future data, processing millions of data when the effect is particularly prominent, can also add formulas, give people the most intuitive conclusions, The following is the effect char

How does Excel use formulas to generate 99 multiplication tables? Create a worksheet Sheet1 (Figure 1) and enter the 1~9,b2~j2 cell in the A3~a11 cell, followed by the 1~9. Figure 1 Calculation results The numeric results in the 99 multiplication table are all derived from the row value multiplied by the column value, so the values in the Excel cell shou

When you enter a formula in an Excel cell, the calculation results are displayed by default, so that when we want to check if the formula entered in each cell is correct, we have to double-click the edit cell to see it, which is obviously troublesome. In Excel You can also display formulas for viewing all cells at once by pressing the "CTRL + '" key combination.

Change the number of Excel iteration formulas Click the Office button , click Excel Options, and then click the Formulas category. In the Calculation Options section, select the Enable iteration calculation check box. To set the maximum number of times that Microsoft Exc