Our calculators are fully tested and inspected by our team of expert technicians. You get the same long lasting calculator at fraction of the cost.
We offer a 1-year warranty. No questions asked.
Includes refurbished calculator, slide cover, rechargeable battery, and USB cable.
Our most powerful Computer Algebra System (CAS) graphing calculator that enables a deeper understanding of abstract concepts in math and science subjects.
- Backlit Color Display
- Deeper understanding of abstract concepts in math and science
- Enter notes, steps, instructions and other comments on the screen alongside the math
- Permitted for use on SAT, PSAT, AP and Praxis exams; 100MB of RAM, 64MB of Flash ROM and 3.2 inch color display
- Eleven interactive zoom features
- Advanced graphing functionality
- Geometry: Construct and explore geometric figures and create animations
- Graphs: Plot and explore functions, equations and inequalities, animate points on objects and graphs, use sliders to explain their behavior and more
- Vernier DataQuest Application: Create a hypothesis graphically and replay data collection experiments all in a single application
- Notes: Enter notes, steps, instructions and other comments on the screen alongside the math
- Multiple representation: Multiple Representations of expressions in problems are presented simultaneously, enabling students to visualize how algebraic, graphical, geometric, numeric and written forms of those expressions relate to one another
- Lists & Spreadsheet: Perform mathematical operations on data and visualize the connections between the data and their plots
- Data & Statistics: Summarize and analyze data using different graphical methods such as histograms, box plots, bar and pie charts and more
Pre-Algebra, Algebra 1, Algebra 2, Linear Algebra, Geometry, Trigonometry, Pre-Calculus, Calculus, Biology, Physics, Chemistry, Statistics, AP Statistics, AP Calculus, College Algebra, College Calculus, Engineering and Financial Functions
AP Calculus*, AP Physics*, AP Statistics*, AP Chemistry*, SAT* I/II, PSAT/NMSQT*, ACT*, IB exam
"I bought a refurbished TI-83 from Topcalcs, and it works great for my college classes. I did not want to buy a new one since Texas Instruments charges too much for an old calculator." - David
"The most durable calculator I've ever had. If you have just one of these calculators, 1 is all you'll ever need provided you don't lose it. You'll likely lose it before it ever breaks. I own one from 7th grade that I have now owned for 15 years." - Lindsey