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EL-509X
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Click each logo below for its explanation.
272 functionUpper: 12-Digit  Lower:10+2-DigitLast Answer
D.A.L.2-Line DisplayMulti-Line PlaybackConstant CalculationChain CalculationHard Case
3-Digit Punctuation2-Key Roll-OverPlastic Buttons

• Power source: LR44 x 1
• Dimensions: 80 (W) x 158 (D) x 14 (H) mm
3-5/32" x 6-7/32" x 9/16"
• Weight: Approx. 91 g

[ Specifications ]
12 x 1
10 + 2
10 + 2
9
272
(without e)
(without logax)
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
6*2
LR44 x 1
(5,000 hrs.)*3
80 x 158 x 14 mm
3-5/32" x 6-7/32" x 9/16"
91 g

•

Availability and some specifications may vary according to region. Please refer to each country's website for detailed information.
• Design and specifications are current as of July 2011, but are subject to change without prior notice.
*1 D.A.L. is the abbreviation for the Direct Algebraic Logic system.
*2 Linear: y = a + bx, Quadratic: y = a + bx + cx2, Exponential: y = aebx, Logarithmic: y = a + b ln x, Power: y = axb, Inverse: y = a + bx-1
*3 Continuous display. Actual battery life may vary depending on usage.



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