The Casio fx-9860GIII is a powerful, user-friendly graphing calculator designed for education, advanced mathematics, and science applications. With a large high-resolution display, fast CPU, and extensive built-in features—including Python programming—it offers both accessibility for students and advanced tools for professionals.
Large High-Resolution Display: 128 × 64 dot LCD
Natural Textbook Display: Clear, intuitive layout that reproduces textbook-style math notation
Icon Menu System: Easy navigation through functions
High-Speed CPU for faster calculations and smooth graph rendering
Over 2,900 Functions covering mathematics, statistics, programming, and financial calculations
Rectangular & Polar Coordinate Graphs
Parametric & Inequality Graphs
Dynamic Graphs
Conic Section & Recursion Graphs
Dual Graphs (table + graph, or graph + graph)
Integration, Roots, Min/Max, and Intersections
Sketch Tools (tangent line, normal line, inverse function)
Geometry Application (construct, measure, animate, and analyze geometric figures)
Recursion Graphing
Spreadsheet Integration
Financial Functions (compound interest, day calculations)
Statistical Plots: scatter, xyLine, histogram, normal probability, box plot, pie chart, bar graph
Regression Models: linear, quadratic, cubic, quartic, logarithmic, exponential, power, sinusoidal, logistic
Advanced Statistical Calculations: tests, intervals, distributions
List-Based STAT Data Editor
Built-in Python Support (MicroPython v1.9.4, adapted for calculator use)
Encourages algorithmic thinking
Ideal for education and learning programming fundamentals
BASIC-like Programming Language
Program Capacity: 62,000 bytes (user memory), plus 3 MB storage memory
Python is a registered trademark of the Python Software Foundation. Note: MicroPython differs from full desktop Python.
USB cable included: Easy file transfers between calculator and PC
Direct projector connection for classroom use
Supports communication with other calculators
Data Logger support for math, science, and technology education
Examination Mode ensures compliance with test standards
Approved for use in: AP, SAT, SAT Subject, PSAT/NMSQT, ACT, IB, and other major exams
Type: Programmable, Graphing, Financial
Number of Functions: 2,900+
Digits: 10 + 2
Display: Dot Matrix LCD with Backlight, Natural Textbook Display
Keys: Plastic
28 Memory Slots
Answer Memory
Add-In Function Support
Memory Protection
Reset Function
Supply: 4 × AAA batteries (R03)
Battery Life: Approx. 230 hours
Auto Power Off: Yes
Size (D × W × H): 175.5 × 83.5 × 18.7 mm
Weight: 190 g
Accessories: USB Cable, Hard Case
Number Formats: Fix, Sci, Norm
Engineering Symbols & Notation
Fraction/Decimal Conversion
Basic:
Arithmetic, Brackets, Fractions, Reciprocal, Percent, Factorials
π, Square Root, Rounding
Degree/Minute/Second (Sexagesimal)
Advanced:
Powers & Roots (square, cube, nth)
Exponential (e)
Trigonometric, Inverse Trigonometric
Hyperbolic & Inverse Hyperbolic
Logarithms (base 10 & custom base)
Coordinate Conversion
GCD/LCM, Integer Part Function
Combination & Permutation
Random Numbers (real & integer)
Summation
Complex Numbers, Vectors, Matrices
Differential & Integral Calculations
Base-n Calculations & Logical Operators
Applied:
Multi-statement commands (: / ◢)
Continuous Calculation
Replay & Multi-Replay Functions
UNDO, COPY & PASTE
CALC & SOLVE Functions
Financial:
Compound Interest Calculations
Day Calculations
Spreadsheet Application
Geometry Application
Recursion
Physics & Chemistry Tools (Metric Conversion, Periodic Table)
Connect to other calculators
PC communication (USB cable included)
Projector compatibility
Data Logger support
✨ In short: the fx-9860GIII is not just a calculator—it’s a full learning, graphing, and programming tool built for both classroom and professional use.
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