数値の自然対数を計算します。
シグネチャ
戻り値
説明
例
{import e from CURL.LANGUAGE.MATH-CONSTANT} {text {br} ln 0.0 is {ln 0.0} {br} ln 1.0 is {ln 1.0} {br} ln e is {ln e} {br} ln 1000 is {ln 1000} {br} ln -1000 is {ln -1000} }