The Casio FX-991CW Advanced Scientific Calculator is a high-performance calculator suitable for middle school, high school, and college math courses.
It boasts a high-resolution display that allows for the viewing of spreadsheets and 4x 4 matrix calculations, along with natural textbook display for symbols and numbers.
With 552 functions, including integration and differentiation, vector and inequality calculations, simultaneous and polynomial solving, this calculator is a comprehensive tool for advanced mathematics.
It is solar-powered with battery backup, has rounded keys for easier inputs, and features an intuitive navigation system with cursor keys.