Where can I find test-cases for an engineering calculator?

Question

Software testing

I would like to know if it is possible to find somewhere a collection of tests / test cases for an engineering calculator
. That is, for a calculator with `tg`, `arctg`, E, etc.

Answer 1

In a mathematics textbook for high school or university.
And even better in reshebnik. There you will be able to trace the correctness of the construction of the solution (if such is provided) and get a definitely correct answer that you can check. This is when it comes to testing the mathematical apparatus.
If you are going to test the calculator interface itself, then come up with it yourself. We open applications and look at what we see and test. Then we try to run the tests on an earlier / later version of the application and compare.
Next, open the application documentation (any more or less complex application has it) look for different settings there from the category "If you check the box here, the numbers will turn blue" - usually at this stage the main work takes place