What is the difference between the Casio FX‑991ES and 991ex? Which one should I prefer for my VTU exams? - Quora
![Amazon.com : Casio fx-991ES Plus 2 Scientific Calculator with 417 Functions and Display, Natural : Office Products Amazon.com : Casio fx-991ES Plus 2 Scientific Calculator with 417 Functions and Display, Natural : Office Products](https://m.media-amazon.com/images/I/71e6EfW23DL.jpg)
Amazon.com : Casio fx-991ES Plus 2 Scientific Calculator with 417 Functions and Display, Natural : Office Products
![CASIO FX-991EX Advanced Engineering/Scientific Calculator (UK VERSION), Black : Amazon.co.uk: Stationery & Office Supplies CASIO FX-991EX Advanced Engineering/Scientific Calculator (UK VERSION), Black : Amazon.co.uk: Stationery & Office Supplies](https://m.media-amazon.com/images/I/81vZ5yRGdwL.jpg)
CASIO FX-991EX Advanced Engineering/Scientific Calculator (UK VERSION), Black : Amazon.co.uk: Stationery & Office Supplies
![Buy Casio Scientific Calculator FX-991EX For Engineering Students Online at Best Price|CasioIndiashop.com Buy Casio Scientific Calculator FX-991EX For Engineering Students Online at Best Price|CasioIndiashop.com](https://media.casioindiashop.com/assets/products-others-images/big/C63_2.webp?scale.height=400)
Buy Casio Scientific Calculator FX-991EX For Engineering Students Online at Best Price|CasioIndiashop.com
![Casio fx-911ex classwiz calculator, Hobbies & Toys, Stationery & Craft, Stationery & School Supplies on Carousell Casio fx-911ex classwiz calculator, Hobbies & Toys, Stationery & Craft, Stationery & School Supplies on Carousell](https://media.karousell.com/media/photos/products/2020/8/5/casio_fx911ex_classwiz_calcula_1596649848_798fd6b4_progressive.jpg)
Casio fx-911ex classwiz calculator, Hobbies & Toys, Stationery & Craft, Stationery & School Supplies on Carousell
![CASIO FX-991EX Advanced Engineering/Scientific Calculator (UK VERSION), Black : Amazon.co.uk: Stationery & Office Supplies CASIO FX-991EX Advanced Engineering/Scientific Calculator (UK VERSION), Black : Amazon.co.uk: Stationery & Office Supplies](https://m.media-amazon.com/images/S/aplus-media-library-service-media/d512118c-01f2-4186-964d-852fb28843b3.__CR0,0,3262,3262_PT0_SX300_V1___.jpg)
CASIO FX-991EX Advanced Engineering/Scientific Calculator (UK VERSION), Black : Amazon.co.uk: Stationery & Office Supplies
![casio fx-991EX classwiz pink, Hobbies & Toys, Stationary & Craft, Stationery & School Supplies on Carousell casio fx-991EX classwiz pink, Hobbies & Toys, Stationary & Craft, Stationery & School Supplies on Carousell](https://media.karousell.com/media/photos/products/2022/10/18/casio_fx991ex_classwiz_pink_1666096884_28a35da5_progressive.jpg)