OSALO OS-991MS Function Science Calculator Double Line Display Test Uses Equation Student Calculator for Students

Features ★ Display screen Using Japanese LCD the font is real clear dark and no shadow ★ Solar Energy Using American photoelectric technology the photoelectric conversion efficiency is good can provide sufficient power and is more convenient to use ★ Metal surface Use thicker aluminum material for better protection ★ Number of keys Durable ink durable ★ Circuit board Corrosion resistant plate carbon oil with good conductivity and strong adhesion★ IC Fast IC fast computing speed low energy consumption ★ Lens Use abrasion resistant acrylic material organic material with excellent transparency ★ Screw baking process salt spray test ★ Button battery Non leakage nickel metal hydride environmental protection battery with more powerful energy and long life ★ Product bag PE material★ Color box environmentally friendly ink printing polishing process instead of the traditional attached film can be completely decomposed after recycling ★ Outer packaging KA reinforced paper Specifications ★ Brand OSALO★ Model OS 991MS★ Material ABS Plastic★ Size 81 156 17MM★ Adaptive Battery Dual Power Supply★ Product Type Function calculatorPackage includes ★ 1 Function CalculatorNote ★ Please allow slight deviation of measurement due to manual measurement ★ Due to different producing batches product details might be a little different ★ Due to different monitors and different light the picture may not reflect the actual color of the item ★ Please consider the act