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

Correction to: Educational Studies in Mathematics (2023) 112(1):73–102

https://doi.org/10.1007/s10649-022-10168-y

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 as

$$f'\left(x_0\right)=\lim_{x\rightarrow x_0}\frac{f\left(x\right)-f(x_0)}{x-x_0}$$

The original article has been corrected.