How-To: Enter a summation expression with an upper limit - OpenOffice.org Math
- To enter a summation expression with an upper limit, first click on the "math commands window" here.
- Now, once the cursor appears, type in the word "sum." This should display the summation symbol.
- Then, press space and type in the word "to."
- Good! Now press space again and type in the upper limit that you want. In this case we are typing in "infinity" for the infinity symbol.
- Afterwards, press space again and type in the expression or sequence that you want to use for the summation.
- In this example we have entered the sequence "x sun n." Enclose the expression in "braces" or "curly brackets" like this.
- Great! We have entered a summation expression with an upper limit. Congratulations!
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Enter a summation expression with an upper limit
This screencast demonstrates how to enter a summation expression with an upper limit.
You learn:
- How to look for the Commands Window.
- How to enter the summation symbol.
- How to enter the "upper limit."
Important Reminders
Please take note that the procedure of entering upper and lower limits in this screencast can also be applied to other operations besides summation. You can also use the same procedure when entering or writing upper and lower limits in products, coproducts, integrals and of course limits. You can view related screencasts for this topic below.
Advanced topics
For advanced functionality with similar results see:
- Enter a summation expression with a lower and upper limit
- Enter a summation expression with a lower limit
- Enter the expression for the product of a sequence
- Enter the expression for the sum of a sequence
- Enter an integral expression
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