Description
Product Overview
The Texas Instruments BA-35 Solar Financial Calculator is engineered for accuracy and durability in everyday office environments. Measuring 6 x 3 x 1 inches and weighing just 3.68 ounces, it features a compact aluminum case with a protective slide cover that shields the display and keys. Powered by an integrated solar cell, the device eliminates the need for battery replacements, ensuring uninterrupted operation. Preprogrammed financial and accounting functions include loan amortization, cash flow analysis, and interest conversion from annual percentage rate to effective rate, streamlining complex calculations.
Usage
Designed for accountants, small business owners, and students, the BA-35 excels in budgeting sessions, tax preparation, and classroom demonstrations. Its clear LCD screen and tactile keys perform reliably on desks, conference tables, or field sites where natural light powers the solar panel. 
Why Choose Us
Texas Instruments brings decades of expertise in precision instrumentation, guaranteeing measurement accuracy and long‑term reliability. The BA-35 includes a 1‑year warranty, a rugged slide case for protection, and a reputation backed by millions of satisfied users worldwide. Its solar power system reduces operating costs and environmental impact, setting it apart from battery‑dependent competitors.
Key Features
- Solar‑powered design eliminates battery replacements
- Preprogrammed financial functions for loans, leases, and interest calculations
- Protective slide case safeguards keys and display
- Compact size (6 x 3 x 1 in) and lightweight (3.68 oz) for portability
- 1‑year manufacturer warranty for peace of mind
FAQ
Does the calculator work in low light?
Yes, the built‑in solar cell can store enough energy to operate for several minutes in low‑light conditions, but optimal performance is achieved with direct sunlight.
Can I use batteries if needed?
The BA‑35 is designed for solar use only and does not have a battery compartment.
What financial functions are included?
It covers loan amortization, cash flow, interest conversion, depreciation, and other common accounting calculations.
Is the slide case replaceable?
The slide case is integral to the device’s design; however, replacement parts are available through authorized service centers.
How long is the warranty?
The calculator comes with a standard 1‑year warranty covering manufacturing defects.




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