Hi,
Please, I am communicating the following problematic behaviour:
#------------------- problematic code ------------------------
#+begin_src calc
sqrt(0.8)
#+end_src
#+RESULTS:
: 0.894427191 # OK
#+begin_src calc :var x=0.8
sqrt(x)
#+end_src
#+RESULTS:
=Debugger entered--Lisp error: (wrong-type-argument integer-or-marker-p 0.80000000000000004)
math-idivmod(0.80000000000000004 0.80000000000000004)
math-div(0.80000000000000004 0.80000000000000004)
math-cancel-common-factor(0.80000000000000004 0.80000000000000004)
math-simplify-sqrt()
#[(math-simplify-expr) "\300 \207" [math-simplify-sqrt] 1]((calcFunc-sqrt 0.80000000000000004))
math-simplify-step((calcFunc-sqrt 0.80000000000000004))
math-simplify((calcFunc-sqrt 0.80000000000000004))
calc-normalize-fancy((calcFunc-sqrt 0.80000000000000004))
calc-normalize((calcFunc-sqrt 0.80000000000000004))
math-evaluate-expr((calcFunc-sqrt 0.80000000000000004))
#[(line) "
not copy-yank-able string
"
[line var-names calc-mode-map res x 0 calc-recall intern 1 "'" lookup-key nil calc-push-list calc-eval math-read-number error "Calc error \"%s\" on input \"%s\"" replace-regexp-in-string "" math-evaluate-expr mapcar org-babel-calc-maybe-resolve-var math-read-exprs] 11] ("sqrt(x)"))
org-babel-execute:calc("sqrt(x)" ((:comments . "") (:shebang . "") (:cache . "no") (:padline . "") (:noweb . "no") (:tangle . "no") (:exports . "code") (:results . "replace") (:var x . 0.80000000000000004) (:session . "none") (:hlines . "no") (:result-type . value) (:result-params "replace") (:rowname-names) (:colname-names)))
org-babel-execute-src-block(nil)
org-babel-execute-src-block-maybe()
org-babel-execute-maybe()
org-babel-execute-safely-maybe()
run-hook-with-args-until-success(org-babel-execute-safely-maybe)
org-ctrl-c-ctrl-c(nil)
call-interactively(org-ctrl-c-ctrl-c nil nil)
#---------------------- end of problematic code --------------------------------
Command line: emacs
-Q -l minimal-org.el
;;; minimal-org.el:
;;; Minimal setup to load latest `org-mode'
;; activate debugging
(setq debug-on-error t
debug-on-signal nil
debug-on-quit nil)
;; add latest org-mode to load path
(add-to-list 'load-path (expand-file-name "~/org-mode/maint/lisp"))
(add-to-list 'load-path (expand-file-name "~/org-mode/maint/contrib/lisp" t))
;; active Babel languages
(org-babel-do-load-languages
'org-babel-load-languages
'((calc . t)))
;;; end of minimal-org.el
GNU Emacs 24.3.1 (i686-pc-cygwin) of 2013-08-14 on moufang
Org-mode version 8.2.4 (release_8.2.4-3-g7fe99a @ /home/usuario/org-mode/maint/lisp/)
TIA.
Miguel Ruiz.