Though these Texas Instruments calculators possess similar names, they are seemingly very dissimilar from each other. Texas Instruments TI-30Xa is the cheaper model, but appears way too plain. Texas Instruments TI-30X IIS, on the other hand, holds more sophisticated appearance. Which one is more reliable?

TI 30XA Vs TI 30X IIS

Display & Functionality
Beginning from the screen, we can already find out a distinction in each model. Texas Instruments TI-30X IIS features a neat two-line display that can show the input and the output simultaneously. This is very handy to determine whether you make some entry mistakes. Texas Instruments TI-30Xa still retains a one-line display like the other conventional calculators. Plus, TI-30X IIS also offers more functionalities than TI-30Xa. The number of buttons present on its keyboard is noticeably higher, plus a convenient set of directional navigators. As opposed to TI-30Xa that supports only one variable for statistical functions, TI-30X IIS can work with two variables.

Power Source
Afraid that your gadget may run out of energy in dire circumstances (i.e. in exams)? It can be the case with TI-30Xa, but not with TI-30X IIS. While the TI-30Xa only relies on battery as the primary source of power, the TI-30X IIS utilizes two-way power. There is a battery that can run up the calculator if no source of light is available, but the calculator mainly takes power from the solar cell in order to lengthen the battery life.

TI 30XA Vs TI 30X IIS

NameTI 30XATI 30X IIS
BrandTexas InstrumentsTexas Instruments
Features- Adds, subtracts, multiplies, and divides fractions entered in traditional numerator/denominator format - Performs trigonometric functions, logarithms, roots, powers, reciprocals, and factorials. Polar/rectangular conversions - Battery powered - Adds, subtracts, multiplies, and divides fractions entered in traditional numerator/denominator format - Performs trigonometric functions, logarithms, roots, powers, reciprocals, and factorials - Polar/rectangular conversions - 1-variable statistics include results for mean and standard deviation - Battery powered; slide case included- Robust, professional grade scientific calculator - It has 2-line display shows entry and calculated result at same time - Easily handles 1 and 2 variable statistical calculations and three angle modes (degrees, radians, and grads) and scientific and engineering notation modes - It has 1-year limited warranty - The front of the calculator is black, the back cover is in fact a dark blue-gray.
Price

Rating4.3 out of 5.0 stars4.5 out of 5.0 stars
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Conclusion
We can see that Texas Instruments TI-30X IIS hold the better value here and should be your primary choice of a reliable scientific calculator. Well, maybe Texas Instruments TI-30Xa is more budget-friendly, but the gap is not very significant. We may lose an enormous boost if we just decide to go with the cheaper model in this case.

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