WriteView ELW531B Scientific Calculator. Scientific calculator. 4-line display. 3-digit punctuation. 335 functions and 2 key rollover. Logs any base. Deg-Rad-Grad. Deg-Min-Sec. Logs Base E Base 10. Variable statistics. Regression models. Statistics graphs. Advanced statistics tests. Set decimal place. Trigometric functions. Hyperbolics. Factorials. Random numbers. Direct algebraic logic. Percentage key. Change sign (+/-). Battery-operated. Replacement battery for the ELW531B is LR44 (x1). Batteries included. WxDxH: 79.6x161.5x15.5mm.
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