Based on the provided name, "Joinus Calculator Scientific JS82MS," this is a scientific calculator from the brand "Joinus." It's a common type of calculator that is a budget-friendly alternative to more well-known brands like Casio, particularly the FX-82MS, which appears to be its direct inspiration.

Here's a breakdown of the name and product:

Joinus: This is the brand name. Joinus is a manufacturer that produces various electronic devices, including calculators. Their products are typically known for being affordable and widely available in certain markets, often serving as alternatives to more expensive, name-brand models.

Scientific Calculator: This describes the type of calculator. A scientific calculator is an electronic calculator, but unlike a simple calculator, it can perform advanced mathematical functions beyond basic arithmetic. These functions typically include:

Trigonometric functions (sine, cosine, tangent, and their inverses)

Logarithmic and exponential functions

Square roots, cube roots, and other roots

Factorials

Memory functions

Fractions and complex number calculations

Statistical and engineering calculations