The KK-82LB is an ultra-budget, entry-level pocket scientific calculator intended for basic math and secondary school calculations.
Core Specifications:
- Display Layout: Single-line LCD layout displaying up to 8 or 10 digits.
- True Function Count: 56 core mathematical, scientific, and statistical functions.
- Input Interface: Soft-touch rubber keys integrated into a plastic housing.
- Power Supply: Powered by a low-voltage alkaline coin-cell battery.
Functional Features:
- Standard Arithmetic: Supports addition, subtraction, multiplication, division, constant operations, and percentages.
- Scientific Computations: Offers basic trigonometry (sin, cos, tan), inverse trigonometry, basic exponents, and common/natural logarithms.
- Hyperbolic Registers: Includes hyperbolic functions (sinh, cosh, tanh) and their respective inverse functions.
- Single-Variable Statistics: Computes foundational statistical summaries, including data sample mean and standard deviations.
- Dedicated Memory: Built-in isolated memory register keys (M+, M-, MR, MC) for multi-step calculations.