Casio FX-115ES Scientific Calculator is an advanced solar-powered scientific calculator which can perform metric calculations instantly. This is a scientific calculator with a 2-line textbook display which can produce the results and formulas that are seen exactly as in textbooks. The Casio FX-115ES Scientific Calculator can perform around 279 functions which include all the major mathematical formulas, square roots and fractions. The Casio FX-115ES Scientific Calculator is user-friendly and easy to handle, when compared to other scientific calculators. These Casio calculators have a wide range of applications in the fields of engineering, physics and statistics. These Casio calculators are mostly used for measurement conversions and estimations.