--- a/README.markdown Mon Aug 28 11:07:47 2023 -0400
+++ b/README.markdown Mon Aug 28 11:30:25 2023 -0400
@@ -103,3 +103,18 @@
past and forgotten about it. The full precision is there, it was only rounding
to display. I set it to 6 to avoid this, but also the `PREFIX` key will show
the full precision temporarily.
+
+Figured out (again) how to program the calculator to do logs of arbitrary bases.
+Essentially:
+
+ logₓ(y) = ln(y)/ln(x)
+
+ stack
+ LBL C x y
+ LN x ln(y)
+ x<->y ln(y) x
+ LN ln(y) ln(x)
+ ÷ ln(y)/ln(x) = logₓ(y)
+ RTN
+
+