I. Overview
1) FineReport allows you to insert formulus into cells to achieve more complex and variable report effects.
2) Compared to Excel, FineReport provides rich built-in functions.
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II. Steps
There are 3 ways to insert a formula.
1. Method 1
In the right-hand pane, click the drop-down box and select [Insert Formula]
2. Method 2
In the upper toolbar, click Insert->Cell Element->Insert Formula.
3. Method 3
In the upper toolbar, click the formula icon
4. Formula Definition Window
1) Formulas can be constructed by constants, variables, operators and functions.
Constant：Number, string, etc.
Variable：Parameters, cells, widgets, etc. For the use of parameters, please refer to Global Parameters and Template Parameters and Dataset Parameters.
Operator：Arithmatic operators, logical operators, comparison operators, etc.
Function：FineReport provides abundant built-in functions.
2) When you enter a formula in the input box, other regions in the window will react accordingly to help you quickly find out the exact built-in function.
5. The built-in functions support fuzzy search
Double-click the result to add the function to your formula.
6. Search for a built-in function based on function type
The lower-right region will describe the function prototype and usage scenarios.
7. Click the [Validity Checks] button to ensure the formula is legal
8. Simple Formula Example (1)
1) Create a title using a sring and a function
Insert a formula in B2.
Input: "Report of " + TODAY(). Click OK.
2) Broaden the cell, and the cell content begins with "=", indicating that its a formula. Preview.
3) The preview result shows the date when you make the report.
9. Simple Formula Example (2)
1) Create a dataset by DB query and drag table [Sales_Volume].
2) Drag data column [Sales_Volume] to B2.
3) Insert a formula in C2. Input: B2 - 100. Click OK.
4) Preview. A new column of data is created next to the original data column.
10. Simple Formula Example (3)
1) Create a dataset by DB query and drag table [Sales_Volume].
2) Drag data column [Sales_Volume] to B2.
3) Insert a formula in B1. Input: SUM(B2). Change the font color of B1 to red.
4) Preview. A summation appears above the data column.
11. Simple Formula Example (4)
1) Create a dataset by DB query and drag table [Sales_Volume].
2) Drag data column [Sales_Volume] to B2.
3) insert a formula in C2. Input: B2 > 200. Click OK and make the content in B2 and C3 align center.
4) Preview. The comparison results appear on the right of the data column.
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