Advanced fx calculator 991 es plus and 991 ms plus3.8.5-07-01-2019-21-release

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Advanced Scientific Calculator features over hundred functions and provides its user with everything they need for most mathematical calculations. The calculator's functions include complex number calculations, matrix and vector calculations, statistics, and 40 metric conversions. Its standout feature is its 2-line natural textbook display that displays fractions, formulas, square roots and other expressions as they would in textbook. It is extremely versatile, and can be used in courses ranging from basic pre-algebra to calculus, and also has applications in physics, engineering, biology and statistics. All in one calculator, working offline, fast and powerful. A scientific calculator supports most of the features of 500, 500, 570 vn plus, 82ms & 82 ms, 82es & 991 es, 4500, 991 es plus, 991 ms.

Calculator for mathematics
- The Natural Display shows mathematical expressions like roots and fractions, square root, derivative, integral, matrix, ... as they appear in your textbook, and this increases comprehension because results are easier to understand.
- Equation solver
- 20 pairs of values for metric conversion
- Calculation with complex numbers
- Calc key (temporary formula memory)
- 40 physical constants
- Matrix/vector calculation
- Numerical integral & differential (derivative) calculus
- Random Integers
- New equation Mode
- Function table
- Solve system of equations (two, three, four unknown variable)
- Basic arithmetic operations, powers, roots, logarithms calculator, trigonometric and hyperbolic functions
- Support conversion between rectangular and polar coordinates (POL and REC functions)
- Periodic numbers and conversion to fractions
- Generate random numbers, combinations, permutations, GCD, LCM
- Mixed fraction, Fraction, decimal, repeat decimal, polar coordinates result
- Statistic calculation, regression calculation, normal distribution