OSALO Scientific Calculator 401 Function 2-line Display 10+2 Digits Solar and Battery Calculator with Slide-on Cover for Secondary School Black (OS 991MS 2nd Edition)

Product description

• 401 Functions Scientific Calculator With 401 functions for fractions, matrix calculations, statistics, calculus, complex number calculations, equation calculation, standard deviation, vector calculation, permutations and combinations, Scientific Calculator covers most of the scientific functions that students from middle school through college will need to use in their courses and on exams. Reading instruction attached will help you know how to use and find these functions.
• Dual Power Source Electronic Calculator Solar and battery,double safe uninterruptible power,environmental protection and energy saving advantages.
• 2-Line Scientific Calculator Input expressions and arithmetic operations is more easy to read than traditional calculators. The 2 line display shows both input and calculation results,convenient for students to check the calculation process and results.
• Ultra-light & Portable Weight 4.97oz. (141g); Size 164 x 80 x 17(mm) 6.4 x 3.15 x 0.6 7(inch); Material ABS plastic. With slide-on hard case, convenient to carry it outside and hold it on one hand.