Desktop calculator CASIO MX-12B — 12-digit display, white, basic functions

CASIO MX-12B is a white desktop calculator with a 12-digit display designed for everyday office and home calculations. It offers clear numeric input, standard arithmetic operations, percentage calculation and basic memory functions in a compact housing. The straightforward layout and tactile keys make it suitable for bookkeeping, invoicing, budgeting and general numeric tasks where reliable, no-frills calculation is required.

Advantages

The MX-12B delivers a large 12-digit LCD for viewing longer totals and basic decimal operations without truncation. Its simple function set reduces complexity and speeds up routine calculations, while the white finish and compact footprint fit easily on desks or work surfaces. The tactile keys and clear labeling support accurate input, and the device operates on mains or optional battery power for flexible placement.

Suitable for

• Everyday office arithmetic and bookkeeping
• Invoice and receipt totaling
• Personal and household budgeting
• Classroom exercises and basic math practice

Key specifications

• Display: 12-digit LCD
• Color: white
• Functions: basic arithmetic (addition, subtraction, multiplication, division), percentage, sign change
• Memory: basic memory functions (M+, M-, MR, MC)
• Power: mains with backup battery option
• Keypad: full numeric keypad with dedicated function keys
• Form factor: desktop, compact footprint for desk use

How to use

Place the calculator on a flat surface and ensure it has power from mains or battery. Enter numbers using the numeric keypad and press the appropriate arithmetic key for each operation. Use the percentage key for percent-based calculations and the memory keys (M+, M-, MR, MC) to store and recall intermediate totals. Clear entries with the clear key and verify results on the 12-digit display before recording or transferring totals.

Usage recommendations

For consistent results, position the calculator away from direct sunlight to avoid glare on the LCD, and replace batteries when display dimming or intermittent operation occurs. Use the calculator for straightforward numeric tasks rather than advanced scientific or financial computations.