MS Series
fx-85MS
2nd edition
With Three Key Advantages,
MS Series is Reborn

Support Resources
Features
1. Simple and User-Friendly Design

Optimal education tools realized through a design that emphasizes comfort in the hand, legibility, and usability through the pursuit of simplicity.
- Instantaneous Key Recognition and Ease of Operation
Enhanced Comfort for Handheld Use
A rounded design that fits naturally in the hand and a slim body that's comfortable to hold.
Improved Key Design
The frequently used number keys have been enlarged, and the keys are printed in an easy-to-read font.
Versatile Hard Case Design
Hard case that's attachable and detachable in any direction for greater ease of use.
User-Friendly Cursor and Function Keys
Highly visible, easy-to-press cursor keys and function keys.
The photo shows the fx-991MS 2nd edition.
2. Authenticity Check


Many fake CASIO scientific calculators can be found in the market.
Ensure your CASIO calculator is authentic by using our quick and easy verification process.
Protect yourself from counterfeit products and enjoy the full benefits of genuine CASIO quality.
3. Functions


Functions designed with education in mind.
- 1. Equipped with Functions Necessary for Education
MS series calculators come with Scientific calculation, statistical calculation, differential*, and integration* functions.
* fx-991MS 2nd edition, fx-570MS 2nd edition, fx-100MS 2nd edition only
Exponent notation is the same as the notation in textbooks.
Exponential format
- 2 . Super Visually Perfect Algebraic Method
Super Visually Perfect Algebraic Method
Input and calculate in textbook format.
Two-line display lets you view the expression and its result at the same time.
Move the cursor to make changes for recalculation without having to input the entire expression.