The Casio FX-115ES Plus (and 2nd Edition) is an advanced, non-graphing scientific calculator designed for engineering, calculus, and high school/college science courses. It features a "Natural Textbook Display" for showing fractions and roots as written, alongside solar/battery power, 280+ to 400+ functions, matrix/vector calculations, and equation solvers.
Key Features and Capabilities:
- Display: Natural V.P.A.M. (Visually Perfect Algebraic Method) shows expressions and results exactly as they appear in textbooks.
- Functions: Includes over 280-460 functions (depending on version), including integration, derivatives, statistics, complex numbers, base-N calculations, and polynomial/simultaneous equation solvers.
- Engineering Tools: Features 40 scientific constants and 40 metric conversions.
- Performance: Operates on solar power with a battery backup.
- Allowed Exams: Permitted for NCEES exams, AP, SAT, PSAT/NMSQT, and ACT exams.
- Functionality: Includes multi-replay for editing, prime factorization, and coordinate conversions.
The calculator is highly regarded for its ability to handle advanced mathematics while being permitted in exams that prohibit graphing calculators.
Tags: Casio FX-115es Plus

