Learning focus 1
Separate the known sequence terms with commas.
Free online calculator
Sequence Calculator
Detect arithmetic, geometric, or quadratic patterns and calculate the next three terms.
Step-by-step solutions
Clear, detailed explanations
Instant results
Accurate answers in seconds
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How to Use the Sequence Calculator
1
Enter at least three terms
Separate the known sequence terms with commas.
2
Compare differences and ratios
The calculator tests common first- and second-order patterns.
3
Continue the pattern
The detected rule is used to produce the next three terms.
Example
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What the Sequence Calculator Helps You Understand
Detect arithmetic, geometric, or quadratic patterns and calculate the next three terms.
Learning focus 2
The calculator tests common first- and second-order patterns.
Learning focus 3
The detected rule is used to produce the next three terms.
Input tips
- • Separate the known sequence terms with commas.
- • The calculator detects arithmetic, geometric, and constant-second-difference quadratic sequences.
Common mistakes to avoid
- • Assuming a pattern from too few terms.
- • Confusing a sequence of terms with the sum of those terms.
Frequently Asked Questions
Which sequence types are supported?
The calculator detects arithmetic, geometric, and constant-second-difference quadratic sequences.
What if no pattern is found?
It reports that no supported pattern was detected instead of guessing an unreliable rule.