Deli scientific calculator 12 digit, 240 function (vivid) (e1710a). Easy to use & reliable, easy to calculator your mathematical expression, give accurate answer your mathematical question & expression, plastic manufacturer, high quality. 10+2 digits,240 scientific function,9 variables, statistics calculator, fractional arithmetic function, standard deviation calculator, data edit, check and correct function, memory function, auto power off, sliding protective cover, logarithmic function, using base 10 or base, factorial, permutation and combination calculation, degree, radian, and grad conversion, trigonometric function/inverse trigonometric function, 2-line display. ,easy to use for long time. Use your office & school work. 1 piece calculators in box. Color: multi color.

Deli calculator 16 digit, check & multifunction – e39265. Easy to use & reliable, easy to calculator your mathematical expression, give accurate answer your mathematical question & expression, plastic manufacturer, high quality. 16 digits, tax and business calculations, dual power (solar and battery),auto power off, check & correct function memory check mu rate, gt,%, root, + / -,suitable for school home office use etc.. Easy to use for long time. Use your office & school work. 1 piece calculators in box. Color: black.