Hi Chris, hi Stephan,
I found the important sentence:
“Note that STACK's display functions automatically apply unary_minus_sort(...) to any expression being displayed.”
But for teaching negative numbers, I like to deactivate this function. The output I’d like to have is 3+(-7)
I found the important sentence:
“Note that STACK's display functions automatically apply unary_minus_sort(...) to any expression being displayed.”
But for teaching negative numbers, I like to deactivate this function. The output I’d like to have is 3+(-7)