1. Non-projectable Graphing Calculator;
2. Stores/calculates/displays input data, complex equations and formulas, graph and or chart;
3. Upgradeable operating system. Softwares are accessible via internet and may be downloaded upon receipt of the unit and thereafter;
4. Memory: 26 KB-RAM (minimum) and 450 KB-ROM (minimum);
5. Display size: At least 8 lines X 16 characters per line;
6. Seven (7) different graph styles for differentiating the look of each graph drawn;
7. Easy access function menus;
8. Readily connectable to Personal Computers (comes with connection accessories);
9. Operates on dry cells. Comes with dry cells and ready to use;
10. Comes with user's manual in English containing operation guide of the featured functions and in replacing the battery;
11. Must operate as stated above and in the manual; And
12. Brand must be established in providing quality products for 5 years and up.
13. Includes training on the use and maintenance.