3 files changed, 60 insertions, 0 deletions
diff --git a/man/man1/mean.1df b/man/man1/mean.1df
new file mode 100644
index 00000000..21f509f2
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+++ b/man/man1/mean.1df
@@ -0,0 +1,19 @@
+.TH MEAN 1df "September 2016" "Manual page for mean"
+.SH NAME
+.B mean
+\- print the mean of a list of integers
+.SH SYNOPSIS
+printf '%u\\n' 8 1 58 |
+.B mean
+.br
+.B mean
+file
+.br
+.B mean
+file1 file2
+.SH DESCRIPTION
+.B mean
+collects all the newline-delimited integers given as input, and prints the
+mean.
+.SH AUTHOR
+Tom Ryder <tom@sanctum.geek.nz>
diff --git a/man/man1/med.1df b/man/man1/med.1df
new file mode 100644
index 00000000..0fab7db2
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+++ b/man/man1/med.1df
@@ -0,0 +1,21 @@
+.TH MED 1df "September 2016" "Manual page for med"
+.SH NAME
+.B med
+\- print the med of a list of integers
+.SH SYNOPSIS
+printf '%u\\n' 14 2 10 |
+.B med
+.br
+.B med
+file
+.br
+.B med
+file1 file2
+.SH DESCRIPTION
+.B med
+collects all the newline-delimited integers given as input, and prints the
+median. It uses the floor of the mean of the two median values if the number of
+records is even. The input must be sorted, and a warning will be issued if it
+isn't.
+.SH AUTHOR
+Tom Ryder <tom@sanctum.geek.nz>
diff --git a/man/man1/mode.1df b/man/man1/mode.1df
new file mode 100644
index 00000000..d4727235
--- /dev/null
+++ b/man/man1/mode.1df
@@ -0,0 +1,20 @@
+.TH MODE 1df "September 2016" "Manual page for mode"
+.SH NAME
+.B mode
+\- print the mode of a list of integers
+.SH SYNOPSIS
+printf '%u\\n' 2 35 3 8 |
+.B mode
+.br
+.B mode
+file
+.br
+.B mode
+file1 file2
+.SH DESCRIPTION
+.B mode
+collects all the newline-delimited integers given as input, and prints the
+mode. If two values have the same frequency (i.e. a multimodal distribution),
+it will print the one that reaches that frequency first in the data set.
+.SH AUTHOR
+Tom Ryder <tom@sanctum.geek.nz>