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This scientific calculator is your good helper for calculations! It has 552 calculation functions, including algebra, calculus, statistics, matrix operations, etc. It also supports fraction-decimal conversion, etc., and can easily solve math problems from middle school to university. The 4-line 10 + 2-digit large screen displays formulas and results in the textbook format, and you can check errors without turning the screen. The brightness is adjustable to adapt to various light conditions, which is eye-friendly and suitable for complex calculations. It is powered by solar energy and backup batteries. It automatically charges when there is light, and switches to batteries when there is insufficient light. You can say goodbye to frequent battery changes. It can be used in class, outdoors, and during power outages. It is environmentally friendly and saves money. It weighs only 125 grams, and can be easily put into a pencil case or handbag to provide calculation support anytime, anywhere. It can be used by students, teachers, accountants, etc. It is a good assistant for study and work.
| Brand | Rudnia |
| Color | Pink |
| Calculator Type | Engineering/Scientific |
| Power Source | Battery Powered,Solar |
| Screen Size | 2.8 Inches |
| Product Dimensions | 6.5 x 3.1 x 0.04 inches |
| Item Weight | 5.7 ounces |
| Item model number | 991ES |
| Batteries | 1 Nonstandard Battery batteries required. (included) |
| Date First Available | April 22, 2025 |
| Manufacturer | Rudnia |