Sequences and Series Calculator
Enter an arithmetic or geometric sequence, or just its first few terms, and get the rule, any term and the sum, all exactly.
What you can do
- Find the nth term and the sum of n terms, as exact fractions
- Find the sum to infinity of a converging geometric series
- Find the rule from the first few terms, with a table of differences
- Recognise arithmetic, geometric, polynomial and Fibonacci type sequences
- Plot each term against n with the running total
- Practise with random questions and worked solutions