approved by someone.

Pretty easygoing kata to figure out and to solve, nice.

That calculator is wrong, left Riemann sum doesn't include f(b). Not an issue.

JavaScript Solution:

I think in second solution test for cubic polynomial answer is wrong. I cheked my solution with Riemann Calculator Online (https://calculator-online.net/riemann-sum-calculator/) and answer is -4.291875000000000 (how i expected) against -4.441875 of author's test.

The translator did a - b instead of b - a. This is probably not a mistake worthy of removing the translation.

Fixed.

Same for Python

The python solution setup is still f'cked up

This has still not been fixed. I suggest to remove the Elixir version altogether.

Forked JavaScript translation

• use chai for assertions
• update to Node 14
• remove rounding requirement, use assert.approximately
• print inputs in random tests assertion messages

Fixed. Tests now use assert_approx_equals().

Added sample test cases.

Fixed. Tests now use assert_approx_equals().

Thanks.