The Casio FX-9860GIII – C81 is a graphing calculator that is designed for students and professionals who need a powerful and versatile calculator for their work. It has a large, high-resolution display that makes it easy to view graphs and equations, and it has a wide range of features that make it ideal for a variety of mathematical applications.

The FX-9860GIII – C81 has a number of features that make it a good choice for students and professionals, including:

A large, high-resolution display that makes it easy to view graphs and equations
A wide range of mathematical functions, including trigonometric, logarithmic, and exponential functions
A built-in CAS (computer algebra system) that can be used to solve equations and perform other mathematical operations
A data logger that can be used to collect and store data
A built-in statistical calculator that can be used to perform statistical analysis
A USB port that allows the calculator to be connected to a computer
The FX-9860GIII – C81 is a powerful and versatile graphing calculator that is ideal for students and professionals who need a calculator for their work. It has a large, high-resolution display, a wide range of mathematical functions, and a built-in CAS. The calculator is also easy to use and has a number of features that make it ideal for a variety of mathematical applications.

Here are some of the specifications of the Casio FX-9860GIII – C81:

Model number: FX-9860GIII – C81
Display: 128 x 64 dots
Memory: 1.5 MB Flash-Rom
Functions: Over 2900 functions
Dimensions: 175.5 x 83.5 x 18.7 mm
Weight: 190 g
Battery: 4 AAA batteries