Casio Desktop Calculator 300 Steps Check & Recheck 14 Digits |DJ-240D Plus

🧮 General Specifications

• Type: Desktop calculator
• Digits: 14-digit display
• Display: Extra-large LCD with function command signs and comma markers
• Power Source: Dual power (Solar + Battery)
• Dimensions: 219 × 146 × 38 mm
• Weight: Approx. 260 g

🔍 Key Features

• 300 Steps Check: Stores and reviews up to 300 calculation steps

• Check & Recheck Function:

  • Recheck calculations with sound alert for errors
• Auto Review: Quickly scroll through previous calculations
• Insert/Delete Function: Edit calculation steps easily
• Answer Memory: Recall previous results
• Double Check: Compare two calculations
• Grand Total (GT): Automatically totals multiple results

⚙️ Calculation Functions

• Basic arithmetic (+, −, ×, ÷)
• Percentage (%) calculation
• Square root (√)
• Tax calculation (add/remove tax, markup)

🔢 Display & Settings

• Decimal selector (4 / 3 / 2 / 1 / 0 / ADD₂)
• Rounding selector (F, CUT, UP, 5/4)
• Localized number display (different digit grouping formats)

⌨️ Key & Build Features

• UV-coated durable keys
• Key rollover (fast input without losing data)
• Shift key
• Sign change (+/−)
• Mark-up key

💾 Memory Functions

• Independent memory
• Grand Total (GT) memory

🧱 Design

• Metal faceplate (durable for office use)
• Large, easy-to-read display
• Desktop-size layout