GETTING EMACS' CALC EMBEDDED MODE TO PLAY NICE WITH EXPRESSIONS WITHIN TEXT
			     By Borax Man

			     12 July 2025

Emacs' Calc embedded mode by default works on a line by line basis,
and if you want to use embeded mode simply to perform inline
calculations, either on algebraic equations within text, or work on
single numbers, the default settings may not work.

The info pages for "Basic Embedded Mode" (Section 17.1 of the Calc
manual) states when entering Embedded Mode by using "C-x * e"...

> With a prefix argument of zero, Calc uses the current region
  (delimited by point and mark) instead of formula delimiters.

You might think you can do something like this, that is, evaluate an
expression in the middle of a sentence, but selecting "10*12 in the
following line and using "C-u 0 C-x * e".

e.g.;

> There are 10*12 months in a decade.

You may find instead that the sentence gets mangled or you get a
"syntax error".

What you need to do, is set Calc to "Normal Language Mode".  You can
do this by going into Calc "C-x * * and typing "d N".  Selecting
numbers or expressions within a line of text will now work as
expected.

As far as I can see, once you've set this, it will remain for at least
the remainder of your Emacs session, or until you explicitely change
it.