**Product Specifications:**
**Brand:** CASIO
**Model:** GX-120B
**Suitable for:** Middle school to university, adult college entrance examination, Certified Public Accountant exam preparation, university and graduate professional course exams
**Display:** Chinese language synchronized textbooks, easy operation with rich functions
**Features:** Colorful options recommended for competitions, real human voice pronunciation
**Usage:** Suitable for white-collar men, daily office use, fashionable office use, portable travel, daily office and catering services
**Design:** Simple, comfortable, clear reading, exquisite craftsmanship and quality selection, suitable for both dynamic and static use
**Functionality:** Calculation, profit margin, durable metal panel, quick response keys, large plastic keys, 12-digit display
**Advantages:** Large display screen, personalized keyboard design, integrated base, professional office selection
**Additional Features:** Double power source, 12-digit display, high-quality matte panel, curved key design, stable base with anti-slip design
**Package Contents:** Warranty card x1, user manual x1, calculator x1, button cell battery x1, dual power source
**Specifications Comparison:**
- **Model:** GX-120B, DX-12B, GX-14B, GX-12B
- **Packaging:** Box packaging
- **Digits:** 12, 12, 14, 12
- **Independent Memory:** 2, 1, 2, 2
- **Tax Calculation:** Yes
- **Time Calculation:** Yes
- **Profit Margin Calculation:** Yes
- **Square Root Calculation:** Yes
- **Functionality:** Memory totalizer, 00 key, positive/negative conversion, comma separator, item counter, quick response, dual power source, rounding selector, decimal places selector
- **Dimensions (mm):** 207.5 x 159 x 34.3 (GX-120B), 129 x 106.5 x 29 (DX-12B)
- **Weight:** 260g (GX-120B), 115g (DX-12B)
**Note:** Calculator screen displays in this detail page are for design purposes only and are for reference. CASIO ensures reliable and durable quality for your convenience.