exp

Computes Euler's number e raised to the power of the value x.

expect fun exp(x: Double): Double(source)

import kotlin.math.exp

fun main() {
    val power = 2.0
    val result = exp(power)          // e^2.0
    println("e^$power = $result")    // prints: e^2.0 = 7.389056098930649
}

Source