diff --git a/math/Makefile b/math/Makefile
index 1ae76645c256..90ad24087884 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -34,6 +34,7 @@
     SUBDIR += R-cran-deldir
     SUBDIR += R-cran-dlmodeler
     SUBDIR += R-cran-dplyr
+    SUBDIR += R-cran-expm
     SUBDIR += R-cran-forecast
     SUBDIR += R-cran-fracdiff
     SUBDIR += R-cran-geepack
diff --git a/math/R-cran-expm/Makefile b/math/R-cran-expm/Makefile
new file mode 100644
index 000000000000..bf1e20970efb
--- /dev/null
+++ b/math/R-cran-expm/Makefile
@@ -0,0 +1,16 @@
+# Created by: TAKATSU Tomonari <tota@FreeBSD.org>
+# $FreeBSD$
+
+PORTNAME=	expm
+DISTVERSION=	0.999-2
+CATEGORIES=	math
+DISTNAME=	${PORTNAME}_${DISTVERSION}
+
+MAINTAINER=	tota@FreeBSD.org
+COMMENT=	Matrix Exponential, Log, 'etc'
+
+LICENSE=	GPLv2+
+
+USES=		cran:auto-plist,compiles
+
+.include <bsd.port.mk>
diff --git a/math/R-cran-expm/distinfo b/math/R-cran-expm/distinfo
new file mode 100644
index 000000000000..c02a9092b240
--- /dev/null
+++ b/math/R-cran-expm/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1494147072
+SHA256 (expm_0.999-2.tar.gz) = 38f1e5bfa90f794486789695d0d9e49158c7eb9445dc171dd83dec3d8fa130d6
+SIZE (expm_0.999-2.tar.gz) = 136750
diff --git a/math/R-cran-expm/pkg-descr b/math/R-cran-expm/pkg-descr
new file mode 100644
index 000000000000..ae1db6e8a487
--- /dev/null
+++ b/math/R-cran-expm/pkg-descr
@@ -0,0 +1,4 @@
+Computation of the matrix exponential, logarithm, sqrt, and related
+quantities.
+
+WWW: https://cran.r-project.org/web/packages/expm/