The formula bar offers an intelligent way to build formulas for your Klips. You can type a formula directly in the formula bar or select from a list of functions. When you start typing a function name in the formula bar, a list of functions filtered by the letter you entered is displayed. Online help with examples and parameters automatically pops up for each function.
Watch this video demo. It introduces key features of the formula bar, and answers common questions.
In this article:
Formula bar shortcuts
Here are some useful hints on how to use many of the features available in the formula bar:
In the Formula Bar, type: 
What it does 
Text 
Start typing to display a list of available functions, variables and references. The function is automatically added to the formula bar when you select it. Use the arrow keys to navigate to a function in the list. Press Enter to select it when you find the function you want. Note: Click the Browse All Functions link at the bottom of the function list to see the Function Browser in the sidebar. 
@ 
Type @ to manually enter a column reference of the active data source. Raw data sources are referenced with sheet location, for example, 
$ 
Type $ to display a list of available variables. 
& 
Type & to reference results of actions and formulas applied to other subcomponents. 
! 
Type ! to reference formulas from other subcomponents. 

Use " around a value to convert it to a string. 
ALT + A or the Lightning Bolt button  Evaluates the formula. 
CTRL + A or Command+A  Selects everything in the formula bar. 
CTRL + E  Selects the function that your cursor is on. 
Ctrl+Home or Command + Left arrow  Places the cursor at the beginning of the formula. 
//  Type // to add single line comments to explain portions of your formula. 
/*
multiple */ 
Type /* to add multiple line comments to explain portions of your formula. 
Enter 
Applies the selected function. 
CTRL+Enter or SHIFT+Enter 
Add a line break in the formula bar to make it easier to work with long formulas. 
CTRL+Space 
To view the function list. 
CTRL+Shift+F or use the three dots menu 
To format the formula. 
ALT+L or use the three dots menu 
To show line numbers. 
CTRL+Z in the Modeller 
To undo an action in the Modeller. Learn more about actions you can perform in the Modeller. 
Using operators in formulas:
In the Formula Bar: 
What it does 
+ 
Add. 
 
Subtract. 
* 
Multiply by. 
/ 
Divide by. 
< 
Is less than. 
> 
Is greater than. 
<= 
Is less than or equal to. 
>= 
Is greater than or equal to. 
= 
Is equal to. 
!= 
Is not equal to. 
Selecting content in the formula bar:
In the Formula Bar 
What it does 
Click anywhere in the formula 
Sets the focus and places the cursor. 
Click on a parenthesis (brackets) in your formula 
Places the cursor next to the clicked parenthesis. The matching parenthesis is also selected. 
Doubleclick on a string 
This selects the string 
Tripleclick 
Troubleshooting in the formula bar
Errors are highlighted in the formula bar:
 A function or parameter that has the wrong syntax appears highlighted in red in the formula bar.
 A tooltip is displayed when you hover over a syntax error in the formula bar.
 If the formula evaluation results in an error, a red border will appear around the entire Formula Bar and an error icon is displayed.
Popup function help
When you select a function, a help popup displays a description, examples and parameter information. You can dismiss the Help popup by clicking the X in the dialog and reactivate it at any time with the Show Function Help button.
Show Function Help button