OSALO OS-OSALO 991ES PLUS Scientific Calculator Solar Energy 417 Functions 2 Line 10+2 Digits Student Calculator
The scientific calculator has 417 functions and covers the most scientific functions that college students need to use at university, including algebra, solving equations, vectors, matrices, data analysis, etc.
Input expressions and arithmetic operations same as the written form in the textbook, which is easier to read than traditional calculators.
2 line 10+2 digits written display expression same as a textbook, convenient for students to check the calculation process and results
Solar and battery, double safe uninterruptible power, environmental protection and energy-saving advantages
Nice color matching, matte silver panel & blue back. ultra-light & portable, convenient to carry outside and hold on one hand
Use high-quality plastic keys, and make keys in different areas that have different shapes, to give you the most comfortable experience. Letters printed on keys are super clear
Specifications:
Material: ABS
Product size: 84*165*17mm
Weight: 120g
Dual power supply: solar and 1 x L1154F battery (battery included)
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OSALO OS-OSALO 991ES PLUS Scientific Calculator Solar Energy 417 Functions 2 Line 10+2 Digits Student Calculator