Why is there a difference in calculator outputs for [math]6/2(2+1)[/math] done with CASIO scientific calculator vs mobile calculator/scientific calculator? - Quora
![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/df23ee11-2e6d-49b5-98c2-1f4b83eeac79.__CR173,173,1154,1154_PT0_SX300_V1___.jpg)
CASIO FX-991EX Advanced Engineering/Scientific Calculator (UK VERSION), Black : Amazon.co.uk: Stationery & Office Supplies
![Amazon.com: Elonbo Hard Travel Case for Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-83 Plus CE/Casio fx-9750GII Color Graphing Calculator, Extra Zipped Pocket fit Charging Cable, Charger, Manual, Black : Everything Else Amazon.com: Elonbo Hard Travel Case for Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-83 Plus CE/Casio fx-9750GII Color Graphing Calculator, Extra Zipped Pocket fit Charging Cable, Charger, Manual, Black : Everything Else](https://m.media-amazon.com/images/I/71VeikhVvhL._AC_UF350,350_QL80_.jpg)
Amazon.com: Elonbo Hard Travel Case for Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-83 Plus CE/Casio fx-9750GII Color Graphing Calculator, Extra Zipped Pocket fit Charging Cable, Charger, Manual, Black : Everything Else
![Amazon.com : Texas Instruments TI-36X Pro Engineering/Scientific Calculator | 9.7 Inch | Black. : Office Products Amazon.com : Texas Instruments TI-36X Pro Engineering/Scientific Calculator | 9.7 Inch | Black. : Office Products](https://m.media-amazon.com/images/I/61ZGW4MABIL._AC_UF350,350_QL80_.jpg)
Amazon.com : Texas Instruments TI-36X Pro Engineering/Scientific Calculator | 9.7 Inch | Black. : Office Products
![Amazon.com : Splaks 2-Line Engineering Scientific Calculator LED Display Function Calculator Suitable for School Business (2pack) : Office Products Amazon.com : Splaks 2-Line Engineering Scientific Calculator LED Display Function Calculator Suitable for School Business (2pack) : Office Products](https://m.media-amazon.com/images/I/71qblyEeZbL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Splaks 2-Line Engineering Scientific Calculator LED Display Function Calculator Suitable for School Business (2pack) : Office Products
![Amazon.com: BOVKE Hard Graphing Calculator Case Compatible with Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-83 Plus CE/Casio fx-9750GII, Extra Zipped Pocket for USB Cables, Manual, Pencil, Ruler, Black : Electronics Amazon.com: BOVKE Hard Graphing Calculator Case Compatible with Texas Instruments TI-84 Plus CE/TI-84 Plus/TI-83 Plus CE/Casio fx-9750GII, Extra Zipped Pocket for USB Cables, Manual, Pencil, Ruler, Black : Electronics](https://m.media-amazon.com/images/I/711kkELc4sL._AC_UF350,350_QL80_.jpg)