"Num. Comput./#5, #6. Spline Interpolation" - done.
"Web/jQalculator" - done. Also updated "jquery.js" everywhere.
Deleted "Num. Comput./#7. Equation Solving", as it wasn't fully done.
Cleaned repo. Removed "shebangs" and fixed permissions.
"Num. Comput./#10. Diff. Equation Solving #1" - done.