Math makes the world go round, and yet, it is one of the hardest subjects to visualize. Not going to lie. I was one of those who fared badly in math because I’m a visual person. However, kids today who face the same problem I did can learn mathematics through visualization, thanks to the new TI-Rover BT Calculator-Controlled Robotic Vehicle.
The TI-Rover BT may not have Mars duties, but it is one of the coolest ways to turn abstract math and coding concepts into something you can actually see. Instead of plotting functions on a 2D screen, students can program a graphing calculator to physically draw equations on the floor. Of course, there are computer programs and calculators that can do that, but where’s the fun in that?
Created by Texas Instruments, the company best known for its scientific and graphing calculators, the TI-Rover BT is essentially a programmable robotic vehicle that turns mathematical instructions into real-world motion.
The robot connects wirelessly to a TI-84 Evo graphing calculator through a TI Bluetooth Adapter. Students can program it to drive along mathematical paths, draw curves, and create geometric shapes using its built-in marker holder.
That marker holder even features a programmable pen-up and pen-down mechanism, allowing the Rover to draw continuous and broken lines without dragging the marker everywhere.
Two independently controlled stepper motors provide precise movement, while adjustable speed and acceleration let students explore relationships between distance, time, and velocity.
There’s also an ultrasonic ranger for detecting objects, a programmable RGB LED for visual feedback, and two Grove I/O ports for expanding its capabilities with additional sensors and hardware.
Power comes from a built-in rechargeable battery, with USB-C handling charging and data transfer.
For now, the TI-Rover BT works with the TI-84 Evo, but compatibility with the TI-Nspire CX II and CX II CAS graphing calculators is planned for 2027.
The TI-Rover BT is available through authorized educational dealers in the US, although Texas Instruments has not published a retail price on its official product page. But educational institutions are welcome to request a quote.
Images: Texas Instruments.
