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| Example 1: Find . |
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| Steps | Key Sequence | Screens |
| 1. Select Sum Function | Press F3 (for Calc menu) | |
| Press 4 (for 'sum(') | |
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| 2. Input General Term for Sequence | Use n for variable, then comma key | |
| 3. Input Variable of Expression | Press ALPHA, then 6 (for n), then comma key | |
| 4. Input Lower Limit of Sum | Press 1, then comma key | |
| 5. Input Upper Limit of Sum | Press DIAMOND key, then CATALOG key (for infinity), then ')' | |
| 6. Evaluate Series | Press ENTER | |