---
sourceDocument: Australia Workflow Data Fabric
sourceDocumentLink: https://www.servicenow.com/docs/r/australia/integrate-applications

 Release :

    - australia

ft:locale :

    - en-US

ft:publication_title :

    - Australia Workflow Data Fabric

ft:clusterId :

    - crint

bundleId :

    - crint

workflow :

    - Creator


---

# Supported functions for the Expression components

# Supported functions for the Expression components {#ariaid-title1}

Release version: Australia  
Updated March 12, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Learn about the various functions for the Expression components in RPA Desktop Design Studio.
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| Name | Description | Usage | Result |
|-|-|-|-|
| Abs | Returns the absolute value of a specified number. | Abs | 1 |
| Acos | Returns the angle whose cosine is the specified number. | Acos | (1) |
| Asin | Returns the angle whose sine is the specified number. | Asin(0) | 0 |
| Atan | Returns the angle whose tangent is the specified number. | Atan(0) | 0 |
| Ceiling | Returns the smallest integer that is greater than or equal to the specified number. | Ceiling(1.5) | 2 |
| Cos | Returns the cosine of the specified angle. | Cos(0) | 1 |
| Exp | Returns raised to the specified power. | Exp(0) | 1 |
| Floor | Returns the largest integer less than or equal to the specified number. | Floor(1.5) | 1 |
| IEEERemainder | Returns the remainder resulting from the division of a specified number by another specified number. | IEEERemainder(3, 2) | -1 |
| Log | Returns the logarithm of a specified number. | Log(1, 10) | 0 |
| Log10 | Returns the base 10 logarithm of a specified number. | Log10(1) | 0 |
| Max | Returns the larger of two specified numbers. | Max(1, 2) | 2 |
| Min | Returns the smaller of two numbers. | Min(1, 2) | 1 |
| Pow | Returns a specified number raised to the specified power. | Pow(3, 2) | 9 |
| Round | Rounds a value to the nearest integer or specified number of decimal places. The mid number behavior can be changed by using EvaluateOption.RoundAwayFromZero during the construction of the Expression object. | Round(3.222, 2) | 3.22 |
| Sign | Returns a value indicating the sign of a number. | Sign(-10) | -1 |
| Sin | Returns the sine of the specified angle. | Sin(0) | 0 |
| Sqrt | Returns the square root of a specified number. | Sqrt(4) | 2 |
| Tan | Returns the tangent of the specified angle. | Tan(0) | 0 |
| Truncate | Calculates the integral part of a number. | Truncate(1.7) | 1 |
| NCalc | The NCalc is a mathematical expressions evaluator in .NET. With this function, you can parse any expression and evaluate its result. This includes static or dynamic parameters, or custom functions. | For more information, see <https://github.com/ncalc/ncalc/wiki> |   |
[Table 1. Supported functions for the Expression components]

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