Double Check XL

Double Check XL is an advanced calculator with extra-large buttons and a large display for improved accessibility. It combines basic arithmetic, commercial and conversion functions in one easy-to-use device.

Double Check XL’s versatile conversion mode allows users to seamlessly switch between different units of measurement for volume, length, weight, temperature and even currencies. With just a few keystrokes, the calculator simplifies the conversion process, providing a quick and efficient solution to everyday measurement challenges.

Double Check XL is available in two models: the Double Check XL, which features extra-large buttons and display, and the Double Check XL Voice, which includes the same extra-large buttons and display along with speech output.

Key Features:

• Key lock function
• 10 memory locations
• Percentage, squaring, root and exponent calculations
• Reciprocal function
• Compound interest, present value and annuity calculations
• Currency, temperature, volume, length and weight conversions
• Date, time and alarm functions
• Large 10-digit display
• Extra-large buttons (1.5 x 1.5 cm)
• Headphone connection: 3.5 mm jack
• Power: 4 x AA batteries or power supply
• External power supply: 3.4/1.35 mm jack
• Dimensions: 210 x 170 x 45 mm
• Weight (with batteries): 487 g