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Appendix
3. Specifications
Model EL-9900
Product name Graphing Calculator
Display 132 x 64 dot matrix liquid crystal display
Number of digits: mantissa 10 digits, exponents 2 digits
(standard screen); 7 digit display (including negatives,
decimals) for table screen, split screen, etc.
Mantissa of 10 digits in the complex number mode
Display method: Numerical value, calculation equation input
(direct algebraic logic input / one-line input method), fraction,
and complex number display method specification.
Reversible keyboard Basic and Advanced
Note: Advanced mode specific functions are: financial function,
statistical test function and distribution function, solver
function, matrix function, and tools function, etc.
Calculation method D.A.L. (Direct Algebraic Logic)
Calculation features Manual calculation (arithmetic, parentheses calculation,
memory calculation, function calculation, integral calculation,
coordinate conversion), binary/octal/decimal/hexadecimal
calculation, Boolean operation, matrix calculation, complex
number calculation, complex function calculation, statistic
calculation, regression calculation, statistic authorization
calculation, financial calculation, etc.
Input method Manual key entry
Graphic features Rectangular/polar/parametric/sequence coordinate graph
Graph range specification, graph window mode automatic
specification, graph plotting, trace, calculation function, zoom,
picture input, paint, graph database register split-screen, etc.
Statistic features 1-/2-variable statistical data input/calculation, register, edit
and frequency input, regression calculation function, and
estimated statistic/authorization function, etc.
Solver features Equation solver: numerical syntax analysis, Newton’s method,
graph analysis, and solver equation register.