Correction to: Analyzing the written discourse in calculus textbooks over 42 years: the case of primary objects, concrete discursive objects, and a realization tree of the derivative at a point

Abstract

The original version of this article unfortunately contained mistake.In S5 in Figure 1, x approaches x 0 , not h approaches zero. Therefore, S5 should read asThe original article has been corrected.Publisher's note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.