MySQL:

EXP

Syntax:
EXP(X)

Returns the value of e (the base of natural logarithms) raised to the
power of X. The inverse of this function is LOG() (using a single
argument only) or LN().

URL: https://dev.mysql.com/doc/refman/8.0/en/mathematical-functions.html

mysql> SELECT EXP(2);
-> 7.3890560989307
mysql> SELECT EXP(-2);
-> 0.13533528323661
mysql> SELECT EXP(0);
-> 1

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