Revert 9549dca..a76f39d

This rolls back to commit 9549dca05053282f28f1d1eb44c23fc58ca4ee3e.
Revert "Revert 9549dca..a76f39d"

This reverts commit 384447ba85a2aa58b6045d3bef4fd9aa05f8e03a.
Revert "Merge branch 'master' of https://github.com/heynderickxd/Physics-Calculator"

This reverts commit a76f39d1d5eb8261cb1d8cd7c76ebec318017e0d, reversing
changes made to 9ed33807d06bd5b06ada86eeb3a3564f3172db04.
Revert 9549dca..1d146cc

This rolls back to commit 9549dca05053282f28f1d1eb44c23fc58ca4ee3e.
Solver button work