$atan2

$atan2

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$atan2

Calculates the arctangent (in radians) of the quotient of two numbers.

Syntax

$atan2(number1,number2)

Parameters

number1a number, or an expression that evaluates to a number
number2a number, or an expression that evaluates to a number

Return Value

Number, with the same number of decimal places as number1.

Comments

Number1 is divided by number2 before the arctangent is calculated.

The value returned by $atan2 has the same number of decimal places as number1.

Example

$atan2(1.000,2)

The above command is equivalent to $atan(0.500) and returns the value 0.464.

See Also

$acos

$asin

$atan

$tan

$tanh

About Functional Expressions

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