birdy1976: #Google adds graphical math calculator to search results.
birdy1976: The Should I Skip Class Today? Calculator was designed to help students decide if skipping class is a smart move http://icio.us/lez1mn
birdy1976: Online Scientific Notation #Calculator: Plotter, Converter, Solver, Complex Numbers, #Widget (via @Nunavut_Teacher) http://icio.us/zxm10s