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                  Operations/Functionality:
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                   - Scientific notation
  - Engineering notation
  - Memory clear
  - Mathematics Functions
  - Addition, Subtraction, Multiplication, Division
  - Square Root, Cube Root, Multiple Root
  - Square, Power Square, cube
  - Reciprocal
  - Percentage (%)
  - Rounding
  - Pi (Internal value = 3.14159265358979324)
  - Exponential e value (internal value = 2.71828182845904524)
  - Decimal Point selection
  - Fix decimal (0-9)
  - Display Mode
  - Selectable Mathematics textbook input/output display format (MthIO) or Traditional 2-line Input/output format (LineIO)
  - Trigonometry Function
  - Angle (Degree, Radian, Gradient)
  - DRG Conversions
  - Trigonometry, Inverse Trigonometry
  - Hyperbolic/Inverse Hyperbolic
  - Coordination Conversion (Rectangular <-> Polar)
  - Statistics (SD mode ® mode)
  - No. of Variable 2
  - VAR
  - Number of Samples input n
  - Mean of X &Y
  - Standard Deviation of sample X &Y
  - Standard Deviation of population / parameter X &Y
  - MaxMin
  - Median (in 1-Var Stat only)
  - Maximum Value of X &Y
  - Minimum Value of X &Y
  - Sum of Value / Summation on X, Y
  - Sum of Square of Value X2, Y2
  - Sum of all XY pairs
  - Sum of Cube of Value X3
  - Sum of X2Y Value
  - Sum of Quadrate of X-data X4
  - 1-Var - Single Calculation
  - 2 Var - Regression Calculation
  - Linear Regression
  - Quadratic Regression
  - Euler Exponential Regression
  - General Exponential Regression
  - Logarithmic Regression
  - Power Regression
  - Inverse Regression
  - Regression Correlation coefficient A
  - Linear Regression Coefficient B
  - Quadratic Coefficient C
  - Estimated value of X1,X2, Y1,Y2
  - Factorials (n!)
  - Permutations &Combinations (nPr, nCr)
  - Random number generator (Rand)
  - Integer Random number generator (I~Rand)
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