1. ## summation capabilities

How do I use the sum function on my TI-83? Does any body know?

2. Originally Posted by VonNemo19
How do I use the sum function on my TI-83? Does any body know?
Let's say you want to find $\sum_{i=1}^{10}\frac{1}{i}$

In your calculator, you can type the following on the 83:

sum(seq(1/x,x,1,10))

3. Thanx Chris. But let's say I wanted $\sum_{i=1}^{10}i$. Could you give me the necessary syntax for this one?

4. Originally Posted by VonNemo19
Thanx Chris. But let's say I wanted $\sum_{i=1}^{10}i$. Could you give me the necessary syntax for this one?
sum(seq(x,x,1,10))