Scientific Calculator
A scientific calculator is a handheld device used by students for school math and science classes, featuring functions like trigonometry, logarithms, and fractions.
Estimated value as of 2026 · Source: Average from Walmart, Target, Best Buy listings for popular models like TI-30XII…
Fun Fact
Popular models like the Texas Instruments TI-30XIIS have remained under $20 for high school use despite decades of technological improvements.
Price History
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Grand Piano (Steinway & Sons Model D)
Professional-grade concert grand piano with 9-foot frame.