![Calc 1] using the sigma function on my calculator does not give me the correct results. Did I plug it in wrong? I'm evaluating from the left. : r/HomeworkHelp Calc 1] using the sigma function on my calculator does not give me the correct results. Did I plug it in wrong? I'm evaluating from the left. : r/HomeworkHelp](https://i.redd.it/gu7wfkazx2061.jpg)
Calc 1] using the sigma function on my calculator does not give me the correct results. Did I plug it in wrong? I'm evaluating from the left. : r/HomeworkHelp
![Sigma Notation & Terms In a Series Using Casio fx-991EX Classwiz | Sum Of A Series | Summation - YouTube Sigma Notation & Terms In a Series Using Casio fx-991EX Classwiz | Sum Of A Series | Summation - YouTube](https://i.ytimg.com/vi/Yw3AM7BV6OQ/mqdefault.jpg)
Sigma Notation & Terms In a Series Using Casio fx-991EX Classwiz | Sum Of A Series | Summation - YouTube
![Set Calculator Mobile Calculator Interface Triangle Math And Sigma Symbol Icon Vector Stock Illustration - Download Image Now - iStock Set Calculator Mobile Calculator Interface Triangle Math And Sigma Symbol Icon Vector Stock Illustration - Download Image Now - iStock](https://media.istockphoto.com/id/1282561275/vector/set-calculator-mobile-calculator-interface-triangle-math-and-sigma-symbol-icon-vector.jpg?s=612x612&w=0&k=20&c=O0JK49djWaAyYCfUCp0nb2USn-XM82foL3ObXzetIUg=)