CASIO Scientific Calculator FX-991CW Classwiz Original

CASIO FX CG20 ADVANCED GRAPHIC CALCULATOR ORIGINAL

TECHNICAL DATA

Memory: 61 KB RAM
Flash ROM: 16 MB
Power supply: battery-operated
Size (H x W x D): 188.5 x 89.5 x 20.6 mm
Weight: 230 g
Batteries: 4 x AAA

Functions

High-resolution colour display with over 65,000 colours
Innovative Picture Plot application for photo and video analysis
7 colours can be used in various applications
Colour-coding to simplify understanding
Simple to connect to a PC as a USB mass storage device
Natural V.P.A.M. natural input and output mode
Textbook-style writing
Solve equations with integral, differential and probability functions
Ref- and Rref command lines for levels or reduced row level form
Whole random numbers
Unit conversion
GcD and LCM function
Remainder function
Chi-square GOF function
Pie and bar chart
Financial mathematics
– Loans, depreciation
Pre-installed geometry add-in
Backlights
Pre-installed ECON2 data logging application

GRAPHIC FUNCTIONS

Cartesian coordinate system
Inequality graph and applications
X=constant graph
Graphs of parametric functions
Functions in polar coordinates
>20 graph memory
Graph labelling
Value table
Recursion graph
– Recursion parameters
– Web plotting
Graphs of conic section functions and corresponding applications
Dynamic graphs
View window: X-dot parameter
Zoom/trace functions
– Start position: centred
– Direct trace entry
4 different types of illustration for X-values
G-Solve (graphic calculation)
– Roots
– Intersection points
– Local minima and maxima
– Gradients
– Definite integrals
– X and Y value calculation
Illustration of tangent, normal and inverse function of a graph
Split-screen display
– Graph and graph
– Graph and value table
– Graph of a value table
– Graph and value table linked interactively
Basic mathematical functions:
Fraction decimal fraction conversion
Solve (interactive)
First and second derivative (numerical)
Integration (numerical)
Max/min
Complex functions
Matrix algebra
– Maximum matrix size: 255 x 255
– Number of matrices: 27
– Calculation of determinants
– Calculation of inverse matrix
Linear equations (max. 6 unknowns)
– Polynomial root calculation
– Solve systems of linear equations
– Equation solver
Polynomial equations (max. third-order)
Calculations to the power of n

STATISTICS

Statistical calculations: medial values, median, sum
Statistical graphs
– List-based statistics
– Histogram
– Box plot
– Modified box plot
– Distribution curve
– Scatter plot/xy line
– Med-med line
– Linear/quadratic/cubic/quartic regression
– Exponential/logarithmic/power regression
– Trigonometric regression
– Logistic regression
– Copy function for regression equations
– Trace function
Lists
– Maximum list size: 999
– Number of lists: 26 lists, 6 files
– Lists with complex numbers
– List designation

Scientific applications with physical constants (ADD-in)
Calculations with scientific numerical notations
Cash-flow statement
Geometry (add-in): pre-installed
Spreadsheet
eActivity
Programming function

ADDITIONAL SPECIFICATIONS

Unlimited history: 255 bytes
Function list
Clipboard
7 system languages supported
Add-in software system
Disk space
– Program
– Backup
Communication
– Calculator to calculator (3-pin to 3-pin)
– Calculator PC (USB)
– Add-in communication
– OS upgrade
Screenshot generation
Can be connected directly to Casio USB projectors
Pre-installed Econ2 (add-in)
Casio logo appears when switching off

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CASIO FX 7400gii Power Graphic Calculator Original

GENERAL DATA

Symbol menu for mode selection
Display: 8 lines of 21 characters
396 Features
Algebraic input logic
20 KB memory
Max. storable programs depending on memory capacity
With Hard Case
Battery: 2 x AAA
Size (H x W x D): 19,3 x 81,5 x 163 mm
Weight: 160 g

FUNCTIONS

Numerical Integration
Solving integrals (graphics application and Equation application)
Solving equations
Complex numbers
Zeros, Min, Max, YICPT, YCAL, XCAL
Random Integer
gcd and lcm function
magnified display 64*128 pixels)

OTHER FUNCTIONS

several graphs representable in a coordinate system
Box and zoom function
List data link function and based list Active Stats
SCI / FIX / ENG function
26 levels of parenthesis
Converts between polar coordinates and rectangular coordinates
Calculations to grads, degree and radian measure
Converts between sexagesimal and decimal
Calculates with fractions
Random number generator
Sign change
Two-dimensional statistics
Permutation, combinatorics
Regressionsanlyse
Bar and pie charts
Battery operated
Data exchange is possible with:
– Other graphing calculators (optional SB-62)
– A PC (optional)
– Data analyzer EA -200

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