I have been stuck on this for weeks. I have a calculator that makes a string with the buttons pressed but I am out of ideas for this next part. It is the only failure.

13. If 2 or more operators are entered consecutively, the operation performed should be the last operator entered (excluding the negative (-) sign.

The sequence “5 * - + 5” = should produce an output of “10” : expected ‘-25’ to equal '10’JavaScript Calculator for Operators