Desktop calculator Donau TECH OFFICE K-DT5141-01, 14-digit display, dimensions 201×155×35 mm, black

Donau TECH OFFICE K-DT5141-01 is a desktop calculator with a 14-digit display and a compact footprint of 201×155×35 mm. Designed for basic arithmetic, bookkeeping and invoicing tasks, the calculator provides a clear numeric readout and a stable housing in black finish suitable for office desks, retail counters and home accounting. Its 14-digit capacity supports larger totals and simple financial calculations while the compact design conserves workspace.

Advantages

The calculator offers a large 14-digit display for clear visualisation of numbers and totals, combined with a compact housing that fits small workspaces. The stable black casing ensures reliable placement on desks and counters, and the straightforward key layout facilitates fast entry of figures for routine accounting and invoicing tasks. The device is designed for dependable everyday use where basic arithmetic and summary calculations are required.

Suitable for

• Office desks for general accounting and administrative calculations
• Retail counters for quick price checks and total calculations
• Home finance management and personal bookkeeping
• Small businesses requiring a reliable 14-digit desktop calculator

Key specifications

• Display: 14 digits for extended numeric range
• Dimensions: 201 × 155 × 35 mm (compact desktop footprint)
• Colour: black housing suitable for professional environments
• Form factor: desktop calculator with stable base
• Primary functions: basic arithmetic, totals and simple bookkeeping operations

How to use

Place the calculator on a flat, stable surface within comfortable reach. Use the numeric keypad for entering values and the arithmetic keys for addition, subtraction, multiplication and division. The large 14-digit display shows entered numbers and results; use it to verify totals before recording or transferring them to accounting records. For routine invoicing and bookkeeping, perform calculations step by step and check each displayed result to ensure accuracy.

Usage recommendations

Keep the calculator clean and dry; avoid exposure to liquids and excessive heat. Use appropriate lighting to reduce glare on the display and replace batteries or power source according to the manufacturer's guidance to maintain consistent performance.