Texas Instruments
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$47.99
WECKEW Scientific Calculator,991ES Plus II 2 Line 10+2 Digits Written Display 417 Function Solar and Battery Calculators for Students Secondary School College
★★★★★
$47.99
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About this item
- 【417 Functions 】With 417 functions for fractions, exponents, matrix calculations, statistics, Scientific Calculator covers most of the scientific functions that students from middle school through college will need to use in their courses and on exams. Reading instruction attached will help you know how to use and find these functions.
- 【Natural Formula Visualization】Displays fractions, integrals, and equations in a Classroom-standard format. Step-by-step tracking helps students understand problem-solving logic, while teachers can demonstrate derivative calculations from four perspectives.
- 【Dual Power 】Solar and battery,double safe uninterruptible power,environmental protection and energy saving advantages.
- 【 High Durability】 - The body of this scientific calculator Comes with new slide-on hard case, undergoes rigorous quality tests, no need to worry about the damage by accidentally falling.
- 【Essential School Supplies】 Suitable for SAT, GCSE, etc... Functionally complete with a stylish design, color scheme, and exterior, making it highly suitable for middle school students and above.
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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