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  EL-556L. calculator
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The EL-556L school calculator is suitable for mathematics and physics courses up to "A" Level and beyond. Equipped with 286 scientific functions, 32 physical constants and 32 conversions of units of measurement. Additionally with formula recall, formula correction, 7 constants memory and a result memory. Linear equations with 3 unknowns are solved just as easily as calculations with complex numbers. EL-556L




Specifications
 
Two-line display
Direct algebraic input logic
286 scientific functions
12-digit alphanumeric display
10+2-digit numeric display
Formula recall
Formula correction
Replacement of constants
Setting of variables (spacers)
7 constants memory
Result memory
Fractions
Calculation in sexagesimal system (hours/mins/secs
Conversions:
- DEG - RAD - GRAD(Gon)
- DEG - DMS
- POL - REC
- HEX - BIN - DEC - OCT
Boolean operations: NOT, AND, OR, XOR, XNOR, NEG,
Calculation in HEX, BIN, DEC, OCT
Bidimensional statistics
Linear regression
Correlation coefficient
Regression (lin., quad., exp., log., inv.)
Combination/permutation
Random numbers
Calculation with complex numbers
Linear equations with 3 unknowns
32 physical constants
32 conversions of units of measurement
3 error messages
Display of a syntax error position
Calculator protection with rigid plastic sliding cover


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