SCM_API SCM scm_quotient (SCM x, SCM y);
SCM_API SCM scm_remainder (SCM x, SCM y);
SCM_API SCM scm_modulo (SCM x, SCM y);
-SCM_API SCM scm_euclidean_quo_and_rem (SCM x, SCM y);
+SCM_API SCM scm_euclidean_divide (SCM x, SCM y);
SCM_API SCM scm_euclidean_quotient (SCM x, SCM y);
SCM_API SCM scm_euclidean_remainder (SCM x, SCM y);
-SCM_API SCM scm_centered_quo_and_rem (SCM x, SCM y);
+SCM_API SCM scm_centered_divide (SCM x, SCM y);
SCM_API SCM scm_centered_quotient (SCM x, SCM y);
SCM_API SCM scm_centered_remainder (SCM x, SCM y);
SCM_API SCM scm_gcd (SCM x, SCM y);