[INFORMATION SYSTEMS INDEX]

	EL-546L.
	For higher mathematics.

A high-performance calculator for teachers and students up to "A" level standard and beyond is the EL-546L school calculator. It can operate with 306 scientific functions, has 40 physical constants and 40 conversions of units of measurement, calculates in the sexagesimal system, solves linear equations with 3 unknowns, displays intermediate results and stores the result.

Specifications
Two-line display
Direct algebraic input logic
306 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.)
Normal distribution (probability)
Combination/permutation
Random numbers
Calculation with complex numbers
Linear equations with 3 unknowns
40 physical constants
40 conversions of units of measurement
3 error messages
Display of a syntax error position
Calculator protection with rigid plastic sliding cover