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12-digit desktop calculator + Edition. The calculator incorporates a biocide in its surface. Treated with silver phosphate glass (CAS 308069-39-8) with antibacterial effect (calculator’s body and keys). Ideal to improve hygiene at school, in the office,in environments in contact with food andsanitary environments. 4 memory keys, square root function, GrandTotal function and back key. Power off. Dual power supply: solar energyand 1.5 V battery. 3 assorted colours: white-turquoise, white-pink andwhite-grey. Size: 11.6 x 16.3 x 3.7cm.
10+2 Digit, 1 Line Display non Programmable Scientific Calculator with 165 Functions including Statistical, Trigonometry, Fraction calculations, Time Calculation and probability calculations. Comes with protective slide on hard cover. Approved by the board of studies.
Calculator with 2-line reading screen (10+2 digits). Simultaneous viewing of expression and result. 240 integrated functions, including 124 scientific functions. Trigonometric functions, parabolic and hyperbolic functions and calculation of up to 6 different types of regression; memory for the storage of averages. Automatic calculation of fractions, cursor keys for navigating through menus, bracket structure allowing up to 24 levels, memory for storing variables, computations using grads, degrees and radians, mutual transformation between rectangular and polar co-ordinates, mutual conversion between decimal and sexagesimal systems, random number generator, percentages, fractions, combinations, permutations, statistical calculations, large keys with structured arrangement, SCI/FIX/ENG notation functions, formation of sums. Power: 2 x AAA batteries (included). Black calculator with hard-wearing patterned protective cover with red details. Measurements: 16.7 x 8.4 x 1.9 cm. Includes instructions.