Desktop dual-line calculator Toor Electronic TR-1223DB-P — 10-digit display, basic arithmetic functions

Toor Electronic TR-1223DB-P is a desktop dual-line calculator with a 10-digit display designed for everyday office calculations and basic arithmetic tasks. The dual-line layout presents both the current entry and the calculated result at the same time, reducing entry errors and speeding up verification. Compact and stable on a desk, the unit provides standard numeric keys and dedicated arithmetic function buttons for addition, subtraction, multiplication and division.

Advantages

This calculator offers a clear 10-digit display and a dual-line format that allows simultaneous viewing of input and output, helping to verify figures without switching modes. The device has straightforward controls and a layout familiar to office users, which supports quick learning and efficient operation. Its desktop design ensures stable placement during extended use and easy access to frequently used arithmetic functions.

Suitable for

• Basic bookkeeping and invoicing checks
• Everyday office arithmetic and expense calculations
• Simple accounting tasks and quick numeric verifications
• Classroom demonstrations of arithmetic operations

Key specifications

• Display: 10-digit dual-line LCD, shows entry and result simultaneously
• Functions: basic arithmetic — addition, subtraction, multiplication, division
• Form factor: desktop calculator with stable base
• Input: tactile numeric keypad with dedicated function keys
• Power: mains and/or battery operation (check product label for exact power source)

How to use

Place the calculator on a flat, stable surface and ensure the display is readable from your working position. Use the numeric keypad to enter figures and press the appropriate arithmetic function key to perform calculations. The dual-line display will show the current entry on one line and the result on the other, allowing you to confirm inputs before proceeding. Clear entries with the designated clear key when needed and follow normal arithmetic order when performing chained calculations.

Usage recommendations

For reliable daily operation, keep the calculator on a clean, dry desk and replace batteries or connect to a stable power source as indicated. When using for bookkeeping or invoicing checks, verify the displayed entry line against source documents before recording results.