Casio’s FX-9750 GPlus Graphing Calculator is an unrelenting digital workhorse. Its 21-character, 8-line display provides a convenient backdrop for tables, graphs, and parametric functions. Suitable for working professionals and students, this calculator is accepted during state-level tests and assessments, including SAT and PT exams. Its icon-driven menu is easy to use and delivers quick access to its different functions. It can also be used to solve problems in courses such as biology, physics, chemistry, and finance.
$48 and great reviews on Amazon