The Sharp EL330W is a desktop calculator for business professionals working at home or in the office. Finished in a modern white design, it carries an XL 10-digit slant LCD that stays readable without leaning in, and durable plastic keys spaced for fast, accurate entry. Cost, sell and margin keys make profit margin calculations quick and direct rather than a chain of percentages, and tax-plus and tax-minus keys handle everyday invoicing without re-entering a rate. A four-key independent memory covers running subtotals, and the percent key rounds out the day-to-day set. Twin power runs the calculator on solar energy with battery backup, so it works consistently in dim light and never stalls mid-calculation.

• XL 10-digit LCD display on a slant for easy reading
• Cost/Sell/Margin keys for direct profit margin calculations
• Tax+ and Tax- keys plus percent key
• 4-key independent memory
• Durable plastic keys spaced for fast entry
• Twin power — solar with battery backup