org-table: Fix docstrings

* lisp/org-table.el (org-table-eval-formula): Nowadays, Calc is
  installed with Emacs, so there is no need to specify this.  Also
  remove hard-coded "C-u".
(org-table-recalculate): Fix code typo.

lisp/org-table.el

@@ -2641,20 +2641,18 @@ This function assumes the table is already analyzed (i.e., using
 					 suppress-store suppress-analysis)
   "Replace the table field value at the cursor by the result of a calculation.
 
-This function makes use of Dave Gillespie's Calc package, in my view the
-most exciting program ever written for GNU Emacs.  So you need to have Calc
-installed in order to use this function.
-
 In a table, this command replaces the value in the current field with the
 result of a formula.  It also installs the formula as the \"current\" column
 formula, by storing it in a special line below the table.  When called
-with a `C-u' prefix, the current field must be a named field, and the
-formula is installed as valid in only this specific field.
+with a `\\[universal-argument]' prefix the formula is installed as a \
+field formula.
 
-When called with two `C-u' prefixes, insert the active equation
-for the field back into the current field, so that it can be
-edited there.  This is useful in order to use \\[org-table-show-reference]
-to check the referenced fields.
+When called with a `\\[universal-argument] \\[universal-argument]' prefix, \
+insert the active equation for the field
+back into the current field, so that it can be edited there.  This is \
+useful
+in order to use \\<org-table-fedit-map>`\\[org-table-show-reference]' to \
+check the referenced fields.
 
 When called, the command first prompts for a formula, which is read in
 the minibuffer.  Previously entered formulas are available through the
@@ -2663,7 +2661,7 @@ These stored formulas are adapted correctly when moving, inserting, or
 deleting columns with the corresponding commands.
 
 The formula can be any algebraic expression understood by the Calc package.
-For details, see the Org-mode manual.
+For details, see the Org mode manual.
 
 This function can also be called from Lisp programs and offers
 additional arguments: EQUATION can be the formula to apply.  If this
@@ -2673,7 +2671,8 @@ SUPPRESS-CONST suppresses the interpretation of constants in the
 formula, assuming that this has been done already outside the function.
 SUPPRESS-STORE means the formula should not be stored, either because
 it is already stored, or because it is a modified equation that should
-not overwrite the stored one."
+not overwrite the stored one.  SUPPRESS-ANALYSIS prevents any call to
+`org-table-analyze'."
   (interactive "P")
   (org-table-check-inside-data-field)
   (or suppress-analysis (org-table-analyze))
@@ -3128,10 +3127,13 @@ T1 is nil, always messages."
 ;;;###autoload
 (defun org-table-recalculate (&optional all noalign)
   "Recalculate the current table line by applying all stored formulas.
+
 With prefix arg ALL, do this for all lines in the table.
-With the prefix argument ALL is `(16)' \
-\(a double \\[universal-prefix] \\[universal-prefix] prefix), or if
-it is the symbol `iterate', recompute the table until it no longer changes.
+
+When called with a `\\[universal-argument] \\[universal-argument]' prefix, or \
+if ALL is the symbol `iterate',
+recompute the table until it no longer changes.
+
 If NOALIGN is not nil, do not re-align the table after the computations
 are done.  This is typically used internally to save time, if it is
 known that the table will be realigned a little later anyway."