Check the listing for details. Texas Instruments TI-30Xa Scientific Calculator - Tested & Great Condition!!!. Condition: Used. Listed at 8.95 USD. Experience seamless and efficient calculations with the Texas Instruments TI-30Xa Scientific Calculator. Ideal for students and professionals alike, this compact, handheld model is designed for easy portability and convenient use. The regular-sized keys ensure a comfortable and secure grip, making it a reliable choice for tackling complex equations and solving mathematical problems.The TI-30XA is powered by batteries, allowing for consistent performance when you need it most. It comes from a reputable brand, Texas Instruments, known for their quality and durability in scientific calculators. With its reliable operation and thoughtful design, the TI-30XA is a valuable tool for anyone seeking precision in their calculations.