Peruslaskin Casio DH-12ET

The Casio DH-12ET is a desktop basic calculator with a clear 12-digit, 1-line display designed for everyday arithmetic, tax calculation and currency conversion tasks. It combines battery and solar power for continuous operation and features a compact, black casing suited to offices, homes, and point-of-sale counters. The layout focuses on straightforward numeric input and commonly used financial functions to speed up routine calculations.

Advantages

The DH-12ET provides a high-contrast 12-digit display that shows large numerals for easy reading. Dual power (battery and solar) helps maintain operation in varied lighting conditions while minimising battery changes. Built-in tax and currency conversion functions reduce manual steps when calculating prices and financial totals. Its compact footprint and stable desktop design make it convenient to place next to paperwork or a cash register.

Suitable for

• Basic bookkeeping and daily arithmetic tasks
• Retail checkout and point-of-sale environments requiring quick tax and currency lookups
• Home budgeting and personal finance calculations
• Office desks where compact, reliable calculators are needed

Key specifications

• Display: 12-digit, single-line numeric display
• Power: Dual power with battery and solar cell
• Functions: Basic arithmetic, tax calculation, currency conversion
• Color and finish: Black compact desktop case
• Input: Standard numeric keypad with function keys for tax and conversion
• Form factor: Desktop calculator with stable base

How to use

Place the calculator on a flat surface and ensure there is sufficient light for the solar cell to assist battery power. Use the numeric keypad to enter values and the arithmetic keys for addition, subtraction, multiplication and division. For tax calculations, use the dedicated tax key(s) to set the tax rate and apply it to amounts; consult the included quick reference for exact key sequences. For currency conversion, enter an amount and use the currency conversion function to apply the preset rate. Turn off or store the calculator when not in use to preserve battery life.

Recommendations

Keep the calculator away from direct heat and moisture. Replace the battery when display contrast diminishes and ensure adequate ambient light for optimal solar assistance. For accurate tax and currency results, verify and update rates regularly before use.