This document describes the features and characteristics of the SHARP Scientifi c Calculator Model EL-W531/W531G/W531H/W531HA/W535. It provides calculation examples, formulas, and tables, as well as operational notes.
This document is an operation manual for the Sharp Scientific Calculator models EL-W531, EL-W531G, EL-W531H, EL-W531HA, and EL-W535. It provides instructions on initial setup, including adjusting display contrast and resetting the device using a ball-point pen tip.
Press then or to adjust the contrast, and press to exit.
Use it when using for the first time, after replacing the battery, to clear all memory contents, or if keys are inoperative.
Pressing the RESET switch erases all data stored in memory.