View source for Exponential function, real

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The function $y=e^x$, also denoted by $y=\exp x$. Sometimes the function $y=a^x$ for any base $a>0$ is also called an exponential function.



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See also [[Exponential function|Exponential function]]; [[Exponent|Exponent]]; [[E-number|$e$ (number)]]. The inverse of the exponential function is the [[Logarithmic function|logarithmic function]] (cf. also [[Logarithm of a number|Logarithm of a number]]). The value of the exponential function at a point is also called the [[Antilogarithm|antilogarithm]] of this point.