Deli Dual Power Handheld Desktop Business, Office, High School.12 digits display and large numbers, easy to read.Calculator with a bright LCD Scientific Calculator with Graphic Functions - Multiple Modes with Intuitive Interface - Perfect for Beginner and Advanced Courses, High School or College Scientific Calculators 12-Digit TI-84 Plus CE Digit Graphing Calculator,Battery and Solar Hybrid Powered LCD Display for Business, Office, High School and College,6.5"x3.4"x0.9",Black 【Description】 ✔Widescreen display, meet daily large calculation needs, large screen and font to clearly observe the calculation results ✔Widescreen display, meet daily large calculation needs, large screen and font to clearly observe the calculation results ✔Acrylic board protection display panel, protect the screen, not easy to draw ✔Using plastic buttons, clear numbers, comfortable, not easy to wear ✔Power supply with the button battery, sufficient electricity, long service life ✔Sliding the cover, the cover can be split, up and down, is overwhelming ✔With a variety of functions, functions, standard difference, coordinate conversion, data editing, continuous calculation, memory function, error correction function, etc. 【Specification】 Size: 16.5 * 8.8 * 2.3cm Material: Plastic Color: green / dark / red / blue Package Included:1PC * 12-bit business Desktop Calculator 【Durable silicone button】Good sense of touch, ABS plastic material, Light weight. Reasonable configuration and comfortable operation. 【Solar and Battery Dual Power 】Solar and backup batteries keep the desktop calculator working in low light conditions. The calculator can handle solar energy,Bult- in battery as battery backup and have automatic power supply. 【Non-slip design】Non-slip washers are not easy to slide during operation. 【Easy to use, large display】12 digits, better field of view, corners of the eyes, upright LCD screen; automatic shutdown (not used for 10 minutes). 【Calculator with a bright LCD】Standard Function Desktop Business Calculator with LCD Display Screen for Home & Office Use