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diff --git a/src/math/ChangeLog b/src/math/ChangeLog
index b3c9386d..00255341 100644
--- a/src/math/ChangeLog
+++ b/src/math/ChangeLog
@@ -1,3 +1,19 @@
+2008-08-17  Jason H Stover  <jhs@math.gcsu.edu>
+
+	* linreg.c (post_sweep_computations): New function to re-use the
+	re-usable. New function cache_init() to re-use the re-usable. 
+	pspp_linreg_with_cov() now estimates parameters via reg_sweep().
+
+2008-08-16  Jason H Stover  <jhs@math.gcsu.edu>
+
+	* linreg.c (pspp_linreg_with_cov): New function to estimate
+	parameters directly from covariance matrix instead of using the
+	entire data set.
+
+	* linreg.c (rearrange_covariance_matrix): New function to ensure
+	the columns of the covariance matrix correspond to the variables
+	in the model.
+
 2008-07-24   John Darrington <john@darrington.wattle.id.au>
 
 	* merge.c merge.h sort.c sort.h: Removed the value_cnt associated
@@ -5,6 +21,20 @@
 	sort_execute now has the same dimensions as the casereader passed 
 	in.
 
+2008-07-24  Jason H Stover  <jhs@math.gcsu.edu>
+
+	* covariance-matrix.c (covariance_pass_two): Dropped weight
+	argument. Corrected update of the entries of the covariance
+	matrix. 
+
+	* covariance-matrix.c (column_iterate): Dropped weight
+	argument. Corrected update of the entries of the covariance
+	matrix. 
+
+	* covariance-matrix.c (covariance_update_categorical_numeric):
+	Dropped weight argument. Corrected update of the entries of the
+	covariance matrix.
+
 2008-07-17  Jason H Stover  <jhs@math.gcsu.edu>
 
 	* covariance-matrix.c (covariance_update_categorical_numeric):