Original Casio fx-991ES PLUS 2nd Edition Scientific Calculator 417 Functions [IP][1Pc][U10-10-20-11-24]
Â
- 417 Functions, Natural V.P.A.M. Textbook Display, Multi-Replay Function
- Fraction, Square Root, Trigonometry, Table, Statistical Calculations,
- Equation Calculations (CALC, SOLVE), Matrix & Vector Calculations
- Wear-resistant printing, Drop-resistant body, Slide-On Case
Â
Functions:
Fraction and Square Root
Trigonometry
Table
Statistical Calculations
Equation Calculations (CALC, SOLVE)
Complex Number Calculations
Matrix Calculations
Vector Calculations
Differential and Numerical Integration calculations
40 Scientific Constants
40 Metric Conversions
Multi-Replay Function
Standard <-> Decimal Conversion
Natural Textbook Display
Features Natural Textbook Display format for displaying equations and calculation results just as they appear in textbooks.
Natural V.P.A.M.
Design Simple and easy to use
Optimal education tools are realized through a design that emphasizes comfort in the hand, legibility, and usability through the pursuit of simplicity.
More comfortable in the hand
A rounded design that fits naturally in the hand and a slim body that’s comfortable to hold.
Attachable and detachable in any direction
Hard case that’s attachable and detachable in any direction for greater ease of use.
More legible
The keys have been made rectangular, making them easier to press. They are also easier to read because of the larger text.
Easier to use
Highly visible, easy-to-press cursor keys and function keys.
Authentic Quality
Excellent quality and authentication ensure confidence and peace of mind for use in educational settings.
Tough & Sustainable
CASIO has established three criteria to ensure excellent quality in the ES PLUS series:-
1. Wear-resistant printing
2,000-cycle wear testing: Since ES PLUS calculators are products used for many years as learning tools, the keys are made of a material that offers high durability and resistance to print peeling.
2. Drop-resistant body
Drop testing from a height of 75 cm: The high product quality prevents malfunction or breakage when a calculator is dropped.
3. Environmentally friendly
Compliant with RoHS environmental regulations: The materials used in ES PLUS series calculators comply with European RoHS environmental regulations, an international standard.
Comes with a Slide-On Case