A simple Python module to evaluates math expressions that can helps students on create their first Calculator program for example. Instead of using the eval() built-in function, that may cause some ...

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Python follows the usual order of operations: first evaluate exponents from right to left, then multiplication, division, remainder from left to right, finally, addition and subtraction from left to ...

So, using Python data types, you get: 6.2 -> 6.2000000000000002 Whereas the sympy data types give: S(6.2) -> 6.20000000000000 Expressions are immutable in sympy. Any functions applied to them do not ...