Tableau Math Functions

Tableau provides various Math and Trigonometric Functions to perform mathematical operations on our data. They are FLOOR, CEILING, ABS, DIV, POWER, SQRT, SQUARE, MIN, MAX, SIN, COS, TAN, ACOS, ASIN, ATAN, ATAN2, LN, LOG etc. In this article, we will show you, How to use Tableau Math Functions with examples.

To demonstrate these Tableau Math Functions we are going to use the below shown data. As you can see, there are 9 records in this table.

Remember, this is an Excel Work sheet. So, Please refer Connecting to Excel Files article to understand the connection settings.

Tableau Math Functions

The following examples will show you the list of Math Functions in Tableau

Tableau ABS Function

The Tableau ABS function is used to return the absolute positive value. The syntax of this Tableau ABS Function is:

ABS(number)

To demonstrate these math functions, we have to use Calculated Fields. In order to create a calculated field, please navigate to Analysis Tab and select Create Calculated Field… option as shown below.

Once you click on the Create Calculated Field… option, following window will be opened. Here, we renamed the default calculation name as ABS.

Below statement will find the Absolute values of Service Grade

ABS([Service Grade])

Let me add this ABS function field to existing table (by dragging a field to Measures Shelf). Please refer Create Table Report article to understand the process of creating a table

Tableau ACOS Function

The Tableau ACOS function will calculate the Arc cosine of a given number. The syntax of this Tableau ACOS Function is:

ACOS(Number)

Below statement will find the ArcCosine of Service Grade

ACOS([Service Grade])

Let me add this field to Measures shelf

Tableau ASIN Function

Tableau ASIN function will calculate the Arc sine of a given number. The syntax of this Tableau ASIN Function is:

ASIN(Number)

Below statement will find the Arc sine of Service Grade

ASIN([Service Grade])

Let me add this ASIN field to Measures shelf

Tableau ATAN Function

Tableau ATAN function is used to calculate the Arc Tangent of a given number. The syntax of this Tableau ATAN Function is:

ATAN(Number)

Below statement will find the Arc Tangent of Service Grade

ATAN([Service Grade])

Let me add this ATAN field to Measures shelf

Tableau SIN Function

Tableau SIN function is used to calculate the Sine value. The syntax of this Tableau SIN Function is:

SIN(Number)

It will find the Sine value of Service Grade

SIN([Service Grade])

Let me add this SIN field to Measures shelf

Tableau TAN Function

Tableau TAN function is to calculate the Tangent value. The syntax of this Tableau TAN Function is:

TAN(Number)

Below statement will find the Tangent value of Service Grade

TAN([Service Grade])

Let me add this TAN field to Measures shelf

Tableau COS Function

Tableau COS function will calculate the Cosine value. The syntax of this Tableau COS Function is:

COS(Number)

It will find Cosine value of Service Grade

COS([Service Grade])

Let me add this COS field to Measures shelf

Tableau ATAN2 Function

Tableau ATAN2 function is to calculate arc Tangent of two given numbers. The syntax of this Tableau ATAN2 Function is:

ATAN2(y_number, x_number)

Below statement will find the Arc Tangent value of Sales amount and Standard cost

ATAN2([Standard Cost], [Sales Amount])

Let me add this ATAN2 field to Measures shelf

Tableau COT Function

Tableau COT function will calculate the Cotangent value. The syntax of this Tableau COT Function is:

COT(Number)

It will find Cotangent value of Service Grade

COT([Service Grade])

Let me add this COT field to Measures shelf

Tableau DEGREES Function

Tableau Degrees function will convert Radians to Degrees. The syntax of this Tableau Degrees Function is:

DEGREES(Number)

It will convert the Radiant value in Service Grade to degrees

DEGREES([Service Grade])

Let me add this Degrees field to Measures shelf

Tableau RADIANS Function

The Tableau RADIANS function will convert Degrees to Radians. The syntax of this Tableau Radians Function is:

RADIANS(Number)

It will convert the degrees value in Sales Amount to Radians

RADIANS([Service Grade])

Let me add this Radians field to Measures shelf

Tableau EXP Function

The Tableau EXP function returns the e raised to the power of user-specified number. The syntax of this Tableau EXP Function is:

EXP(Number)

It will find the e power service grade

EXP([Service Grade])

Let me add this EXP field to Measures shelf

Tableau SQUARE Function

The Tableau Square function finds the square of a given number. The syntax of this Tableau Square Function is:

SQUARE(Number)

It will find out the square of the tax amount

SQUARE([Tax Amt])

Let me add this SQUARE field to Measures shelf

Tableau SQRT Function

The Tableau Sqrt function finds the square root of a given number. The syntax of this Tableau Sqrt Function is:

SQRT(Number)

It will find the square root of Sales amount

SQRT([Sales Amount])

Let me add this SQRT field to Measures shelf

Tableau ROUND Function

The Tableau Round function returns the nearest integer value. It accepts the second argument (optional) to specify the number of decimals. The syntax of this Tableau Round Function is:

ROUND(Number, no_of_decimals)

For example,

• ROUND(248.6759) = 249
• ROUND(248.6759, 1 ) = 248.7
• ROUND(248.6759, 2 ) = 248.68

Below statement will round the Standard Cost values to the nearest integer

ROUND([Standard Cost])

Let me add this ROUND field to Measures shelf

Tableau CEILING Function

The Tableau Ceiling function returns the closest integer value which is greater than or equal to a given value. The syntax of this Tableau Ceiling Function is:

CEILING(Number)

Below statement will find the closest integer value which is greater than or equal to Standard Cost

CEILING([Standard Cost])

Let me add this CEILING field to Measures shelf

Tableau FLOOR Function

The Tableau Floor function is used to return the closest integer value which is less than or equal to a given value. The syntax of this Tableau Floor Function is:

FLOOR(Number)

It will find the closest integer value which is less than or equal to Standard Cost

FLOOR([Standard Cost])

Let me add this FLOOR field to Measures shelf

Tableau SIGN Function

The Tableau Sign function is very useful to find the integer Sign, This function return

• +1  = Positive Value
• -1 = Negative values
• 0 = for zeros.
• The syntax of this Tableau Sign Function is:

SIGN(Number)

It will find the sign of a Service Grade records

SIGN([Service Grade])

Let me add this SIGN field to Measures shelf

Tableau PI Function

The Tableau PI function returns numeric value 3.14, and the syntax is:

PI()

It will divide the PI value i.e., 3.14 with Service Grade values

PI() / [Service Grade]

Let me add this PI field to Measures shelf

Tableau POWER Function

The Tableau Power function is used to find the Power of a given number. Use the second argument to specify the Power.

For example Power(2, 3) = 2³. The syntax of this Tableau Power Function is:

POWER(Number, power)

It will find the Sales Amount raised to the power of 2

POWER([Sales Amount], 2)

Let me add this Power field to Measures shelf

Tableau LN Function

The Tableau LN function is used to find the natural logarithmic value of a given number. The syntax of this Tableau LN Function is:

LN(Number)

It will find the natural logarithmic value of Sales Amount

LN([Sales Amount])

Let me add this LN field to Measures shelf

Tableau LOG Function

The Tableau LOG function is used to find the logarithmic value of a given number for a specified base. Here, the second argument is optional and its default value is 10. The syntax of this Tableau LOG Function is:

LOG(Number, base)

It will find the logarithmic value of Sales Amount for base 5

LOG([Sales Amount], 5)

Let me add this LOG field to Measures shelf

Tableau DIV Function

The Tableau DIV function divides one number by another. The syntax of this Tableau DIV Function is:

DIV(integer, integer)

It will divide Sales Amount by 5

DIV(INT([Sales Amount]), 5)

Let me add this DIV field to Measures shelf