Technology and power

The Casio fx-991es plus is a non-programmable, non-graphing scientific calculator with a Natural Textbook Display for easy equation input, a solar and battery dual power source, and numerous functions including complex number calculation, matrix operations, and integration/differentiation. Key features include 417 functions, a 10+2 digit display, memory functions, and a hard case for portability. Key Features > Display: Natural Textbook Display shows equations and results like they appear in textbooks. > Power: Dual power source (solar and battery). Functions: > Basic: Brackets, fractions, square root, pi, percentages, factorials, complex numbers, base-n calculations. > Advanced: Integration and differentiation. Statistics: Q1, Med, Q3 calculations. > Other: Matrix and vector calculations. > Memory: 9 variable memories, independent memory, and answer memory. > Other: Auto power off, hard case included, and a non-programmable, non-graphing design. WhatsApp ?? 0_6_4_5_2_1_7_8_3_2 ??207 Seventh Avenue, Florida Road, Durban, 4001