(math-solve-get-sign): Convert integer to string.

diff --git a/lisp/calc/calcalg2.el b/lisp/calc/calcalg2.el
index 0b21dd8..34d801b 100644 (file)
--- a/lisp/calc/calcalg2.el
+++ b/lisp/calc/calcalg2.el
@@ -3142,7 +3142,7 @@
                (math-mul (list 'calcFunc-as var-GenCount) val)
              (setq var-GenCount (math-add var-GenCount 1))
              (calc-refresh-evaltos 'var-GenCount))
-         (let* ((var (concat "s" (math-get-from-counter 'solve-sign)))
+         (let* ((var (concat "s" (int-to-string (math-get-from-counter 'solve-sign))))
                 (var2 (list 'var (intern var) (intern (concat "var-" var)))))
            (if (eq solve-full 'all)
                (setq math-solve-ranges (cons (list var2 1 -1)