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Exponents and logarithms

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DiamondNether90
2025-09-17 17:58:06 +10:00
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packages/math/readme.md
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@@ -22,6 +22,14 @@ Gets the tan of input.
Returns base^power, for positive integer values of power. Returns 1 if power is non-positive (and thus is inaccurate for negative values of power).
### fun -double !exp -double &input
Finds exp($input), where exp(x)=e^x, e is Euler's number = 2.718281828...
### fun -double !ln -double &in
Finds the natural log (log_e) of $input, i.e. finds x such that e^x = $input, e is Euler's number = 2.718281828...
### fun -double !sqrt -double &input
Returns the positive value *x* that satisfies x^2 = input. Throws an error if input is negative.
@@ -30,6 +38,10 @@ Returns the positive value *x* that satisfies x^2 = input. Throws an error if in
Returns *n* such that *n* is congruent to the input modulo $modulus, where *n* is at least 0 and less than $modulus.
### fun -double !abs -double &in
Returns the absolute value of *n*.
### fun -double !random -int &seed
Gets a random double in the domain [0,1), using a LCG. A seed is required.