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Sharp EL-W531 Advanced Scientific Calculator for ath, algebra, geometry, trigonometry, statistics, biology, chemistry, 
 

The EL-W531TL performs over 420 advanced scientific functions and utilizes WriteView Technology, 4-line display and Multi-Line Playback to make scientific equations easier for students to solve. 
It is ideal for students studying general math, algebra, geometry, trigonometry, statistics, biology, chemistry, and general science. Hard cover protects from scratches. 


Basic Description     
Display Type     Dot matrix
Number of Display Digits     16
Power source     Battery
Battery Type     LR44 x 1 (Supplies Code: XDW)
Automatic Power Down     Yes
Keys     Plastic
Protective Case     Yes
Functions     420
Entry System     Algebraic (D.A.L.)
1/x, x², square root, %     Yes
Pi Key     Yes
GCD, LCM     Yes
Function Table     No
Equation Solver (Newton)     No
System of Linear Equations     No
Matrix and Vector Calculation     No
Numeric Derivative and Integral     No
Complex Number Calculations     No
Training (DRILL) Function     Yes
Memory     Yes
Multi-Line Playback     Yes
Last Answer Recall (ANS)     Yes
Memory Variables     9
Notation and Decimal Places     
FSE Display (SCI, FIX, ENG)     No
3-Digit Punctuation     Yes
Statistics     
1-Variable Statistics     Yes
2-Variable Statistics     Yes
Regression Calculations     7
Mean, Standard Deviation     Yes
nCr, nPr, n!     Yes
Random Numbers     Yes
Trigonometric Functions     
Deg, Rad, Grad Modes     Yes
Sin, Cos, Tan and Inverses     Yes
Hyperbolic Functions     Yes
Sexagesimal and Decimal Conversions     Yes
Rectangular and Polar Coordinates Conversion     Yes
Number Systems     
Bin, Pen, Oct, Hex, Dec     Yes
Logical Operation (AND, OR, NOT, NEG, XOR)     Yes
Scientific Functions     
Metric Conversions     No
Physical Constants     No 
 

Excellent Conitions, like new. 

Sharp EL-W531 Advanced Scientific Calculator for ath, algebra,

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