Yes, because of how you, OBB, used it. I taught my students how to calculate the answer and the only thing the calculator was used for was to check if their answer was correct. In grades one and two, addition and subtraction can be taught the same way (with beautiful large kindergarten calculators). However, I have to admit that in later grades I never memorized, say the logarithmic tables.
I think what you say is interesting. I taught many children successfully, but I could not get my own daughter to learn. She was simply not interested. In grades 10 she was still working at grade 3 math level. But, then, she got a job later where she needed to apply higher math skills. She loved her work and was determined to do it. She hired her own private tutor and went through each year of math she missed so that she could do her job. Finally, she had the motivation.
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