International Chemistry Olympiad - IChO - For the competition purposes, all the competitors will be given a calculator Casio fx-991EX. The manual for the calculator can be downloaded from the following link:
![Normal PDF & CDF distribution on Casio fx-991EX Classwiz - App #7 [SAT, A-Level, Statistics 2020] - YouTube Normal PDF & CDF distribution on Casio fx-991EX Classwiz - App #7 [SAT, A-Level, Statistics 2020] - YouTube](https://i.ytimg.com/vi/1VAIQ2_hEQo/maxresdefault.jpg)
Normal PDF & CDF distribution on Casio fx-991EX Classwiz - App #7 [SAT, A-Level, Statistics 2020] - YouTube
![All Casio Quick Start Guide fx-991EX fx-570EX - QUICK START GUIDE The features a display, making it - StuDocu All Casio Quick Start Guide fx-991EX fx-570EX - QUICK START GUIDE The features a display, making it - StuDocu](https://d3tvd1u91rr79.cloudfront.net/0127aee45ce274d5517fe53fe53d5dd3/html/bg1.png?Policy=eyJTdGF0ZW1lbnQiOlt7IlJlc291cmNlIjoiaHR0cHM6Ly9kM3R2ZDF1OTFycjc5LmNsb3VkZnJvbnQubmV0LzAxMjdhZWU0NWNlMjc0ZDU1MTdmZTUzZmU1M2Q1ZGQzL2h0bWwvKiIsIkNvbmRpdGlvbiI6eyJEYXRlTGVzc1RoYW4iOnsiQVdTOkVwb2NoVGltZSI6MTY2Njk4NDg2NH19fV19&Signature=MJeNfnBc1xAq3L7fRjH9CxUBnP~XxllLNfdVUtG8uDfLhwSBPz--LiHGMjogJUv0PIk6NHQh5HhW78UPsWUnh4bc2zGjg1-BeGmNos~gsnVzvWL4EanTg0zA8xvLcLGEexA3P-atU1xYpnUMdgEsSeW0Xeg1MeGC9OWzy7uXopuzA8jgtg2BD2obP74WsjrRpxiE-KNQTWa7rC8k~IiKD9q9KfOCN43v94zIIDoGj1A2y~t6gc3nXCwfxOaTdDntPlCnOAfRVi-Nc7ty-RTLM76W90e9w5YuIcbVPKn5CnWw2K935K90lK2rUIz4qQvwEH83T3CX1k3HMjY2-uJ67g__&Key-Pair-Id=APKAJ535ZH3ZAIIOADHQ)