Good Condition Used TI-86 Available!
The TI-86 combines the large, easy to read, high contrast display with the 128K total memory to keep graphs functions, polar, parametric, and differential equations. Powerful calculus features, equation solver built-in, with data exploration and replay and edit abilities. This amazing calculator also boasts a custom equation library to store, analyze, or solve for any unknown variable. Function evaluation table shows numeric output in TI-83 style table format. Slope and Directional fields. 7 graphing styles.
Advanced functions accessed through redefinable menu keys.
Real and complex numbers calculated to 14-digit accuracy and displayed with 12-digits plus 3-digit exponent.
Up to 99 traceable graphing functions defined, saved, graphed and analyzed at one time.
Graphs parametric equations, polar equations, and solutions to differential equations.
Real and complex matrices with dimensions up to 80 x 80.
Additional data types include strings, pictures, and vectors.
TI-83 style list and matrix editor improvements.
List-based one- and two-variable statistical analysis, including linear, logarithmic, exponential, power, sine, logistic, 2nd, 3rd, and 4th order polynomial regressions.
Systems-of equation solving, polynomial-root solving.
Build a custom equation library to store, analyze, or solve for any unknown variable.
Replay and edit up to 10 homescreen entries using deep recall.
Optional Machine Language programming with number of programs limited only by available memory.
128K RAM with 96K user-available memory.
RK and Euler differential equation solve methods.
TI-tested Machine Language program applications available for download from world wide web (Inferential Statistics, Distributions, and Finance).
Compatible with the Calculator-Based Laboratory (CBL) and Calculator-Based Ranger (CBR) Systems to allow analysis of real-world data.
Powered by 4 AAA batteries with a lithium battery back-up to protect memory during main battery charge.