<h4 data-start="137" data-end="201"><strong data-start="137" data-end="201">Casio FX-350ES Plus Scientific Calculator with 252 Functions Black</strong></h4> <p data-start="233" data-end="648">The Casio FX-350ES Plus Scientific Calculator is a versatile and reliable calculator designed for students, educators, and professionals. Equipped with 252 built-in functions, it covers a wide range of scientific operations including arithmetic, fractions, percentages, square roots, powers, logarithms, trigonometric and hyperbolic functions, factorials, permutations, combinations, and statistical calculations.</p> <p data-start="650" data-end="1045">Its natural textbook display allows mathematical expressions to be shown exactly as written in textbooks, improving comprehension and minimizing calculation errors. The dual power system—solar energy with battery backup—ensures continuous performance in any lighting condition. The multi-replay function allows easy editing of previous calculations, saving time during complex problem solving.</p> <p data-start="1047" data-end="1533">Durable plastic keys provide responsive and smooth input, while its lightweight and compact design makes it portable for school, college, or professional use. The FX-350ES Plus also supports mixed fraction calculations, conversion functions, and standard deviation and regression analysis, making it ideal for students preparing for exams and professionals handling scientific computations. Its ergonomic layout and protective slide-on cover add to long-term usability and durability.</p>