HP OfficeCalc 100

HP OfficeCalc 100 Specifications:

Display: 10 Digits.
LCD Digit size: 23.3 x 7.4 mm.
Display Area: 109 x 27 mm.
Unit Weight: 140 grams.
Entry-system logic: Algebraic.
Business/finance functions: Mark-up/Mark-down (MU), Tax calculations (RATE, +Tax, -Tax), Percentage, Grand Total (GT).
Memory calculations: MRC, M-, M+.
Math functions: Sign change, plus, divide, minus, multiply, square root, rounding section.
Check & Correct function: 99 steps.
Added features: Replay function, double zero key.
Power: Solar with battery back-up.
Auto-power off: 5 minutes.
What is in the HP OfficeCalc 100 box: Calculator with batteries, and user guide.