Triumph-Adler 1040S tafelrekenmachine zwart (555)

In a busy office, the Triumph-Adler 1040S desktop calculator is the reliable tool for daily number crunching. Its 10-digit LCD display and dual solar/battery power keep it ready whenever you need it, while the large plastic keys ensure comfortable typing during long sessions.

Key specifications

• 10-digit LCD display
• Solar and battery power (1x AA)
• Basic arithmetic, percentage, square root
• Memory functions (M+, M-, MRC) and grand total (GT)
• Mark-up (MU) and double zero (00) keys
• Sign change (+/-) and backspace correction
• Automatic power off
• Black desktop design

Why choose it

This calculator combines essential functions with dependable power options, making it a practical choice for everyday office tasks. The clear display and responsive keys reduce errors and speed up calculations.

Ideal use cases

• Accounting and bookkeeping
• Invoicing and price calculations
• General office arithmetic
• Home budgeting

Good to know

The calculator runs on one AA battery and also has a solar cell, so it works even in low light. It automatically switches off to save power when not in use.