Home > Products > Calculators > Scientific Calculators > EL-W531X/EL-W531XH/EL-W531XG
Click each logo below for its explanation.

Power source: LR44 x 1 (EL-W531X)
R03(AAA) x 1 (EL-W531XH)
Twin Power (Solar cell & LR44 x 1) (EL-W531XG)
Dimensions: 80(W) x 168(D) x 14(H) mm
3-5/32" x 6-5/8" x 9/16"
Weight:
 Approx. 99 g (EL-W531X) 106 g (EL-W531XH) 100 g (EL-W531XG)

 [ Specifications ]
 16 x 4 96 x 32 10 + 2 9 335 – – – – – – – – – – 4 – – – – – 7*4 EL-W531X LR44 x 1 (3,000 hrs.)*5 EL-W531XH R03 (AAA) x 1 (17,000 hrs)*5 EL-W531XG Solar cell/LR44 x 1 (3,000 hrs)*5 80 x 168 x 14 mm 3-5/32" x 6-5/8" x 9/16" EL-W531X 99 g EL-W531XH 106 g EL-W531XG 100 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 EL-W531XH only. *3 EL-W531XG only. *4 Linear: y = a + bx, Quadratic: y = a + bx + cx2, Euler exponential: y = aebx, Logarithmic: y = a + b ln x, Power: y = axb, Inverse: y = a + bx-1, General exponential: y = abx *5 Continuous display. Actual battery life may vary depending on usage.