SAFE MATERIAL: Calculator is made of wood material, safe and eco friendly, the numbers are engraved on the wood, 29 buttons, will not disappear after long time use. FUNCTION: Multi function calculator not only has 4 standard arithmetic functions, but also supports percentage, memory subtraction and addition, memory clear and recall DUAL POWER SUPPLY: Calculator is powered by dual power supply using solar energy and built in battery, easy to operate, suitable for office and home use. Texas Instruments TI-30XaSE Solar School Edition Calculator – Calculators Inc Cauoiy Desk Calculator 12 Digit Extra Large LCD Display,Two Way Power Battery Solar Calculators Desktop Big Buttons Easy Press Used Office Business C 50ed27de 24b8 4a0a 81e5 A1ece652c91c.4440f0e24358f27c5e2df6898811de7c LCD SCREEN: 12 bit digital clear display large digital LCD screen, easy to read from a distance, easy to use, beautiful. Bewinner 29 Buttons Bamboo Calculator, Dual Power Supply Desktop Calculator with Solar Energy & Battery, LCD Display for School Office Was: $122.92 Now: $61.46 (No reviews yet) Write a Review Specification: Item Type: Solar Powered Calculator Material: Wooden Number of Keys: 29 Keys Production Process: Carving Working Current: 1., 5A Operating Current: 4μA Battery Type: 300mAh Li Ion Battery (Ship with Inbuilt Battery) How to Use: direct use Package List: 1 xCalculator (Ship with Inbuilt Battery) 1 x User Manual SAFE MATERIAL: Calculator is made of wood material, safe and, the numbers are engraved on the wood, 29 buttons, will not disappear after long time use.
