OSALO Scientific Calculator 417 Function 2 Line 10+2 Digits Written Display Solar(OS 991ES Plus)

Product Features: STYLE NO.: OSALO 991ES Plus scientific calculator with protective cover Display: 10+2 digits Functions: 417 functions Battery Type: LR44 Battery Life: 2 years WARM ADVICE: Read the user guide carefully before using this scientific calculator. Functions Include: Basic calculation 9 Variable memories Function calculation Complex number calculation Statistical calculation Equation calculation Matrix calculation Table function Vector calculation Base-n calculation Special Features: 40 Scientific Constants 40 Metric Conversions Algebra Calculation GeomeStatisticstry Easy Read Written Display Written display expression same as textbook, convenient for students to check the calculation process and results. Be Applicable to College students, engineers, financial job man, etc.,calculators for school Package Include: 1 x Scientific Calculator with slide cover. 1 x User Guide (English, Spanish, French, Chinese) About Package Our color box packaging adopts ink printing and polishing process, which can be completely decomposed after recycling. However, the material is not hard enough at present. It may be damaged by the squeezing and collision during long-distance transportation. But the calculator itself is protected by a bubble bag well. Soon we will improve the product packaging and adopt more robust color boxes. Thank you for your understanding!

【417 Functions Scientific Calculator】The scientific calculator has 417 functions and covers the most scientific functions what college students need to use at university. Reading instruction attached will help you know how to use and find these functions. 【Written Display Scientific Calculator】Input expressions and arithmetic operations same as written form in the textbook, which is more easy to read than traditional calculators. Written display expression same as textbook,convenient for students to check the calculation process and results. 【Dual Power Electronic Calculator】Solar and battery,double safe uninterruptible power,environmental protection and energy saving advantages. 【Ultra-light & Portable】Nice color matching: Matte silver panel & blue back; Weight: 120g; Size: 162 x 80 x 14(mm)/6.4 x 3.2 x 0.6 (inch);Material: ABS plastic. Convenient to carry it outside and hold it on one hand. 【Plastic Keys】Use high quality plastic keys,and make keys in different area have different shape, to give you the most comfortable experience. Letters printed on keys are super clear.