# Number Series Calculator

Everyone
215
Number Series Calculator is an application for self learning the number sequences used in the IQ Tests, Math Tests and Aptitude Tests. The purpose of the application is to help everyone learn how to solve problems with numerical sequences that are used in various tests. And also you can use this application to calculate formulas and recurrent sequences and formulas.

This application works in offline and online modes.

When connected to the Internet, the user can search for sequences in the database using special requests. In online mode you can search our sequence database using a question mark, for example, 1,?,?,4 or ?,?,3,4.

You can use your own formulas (javascript syntax) to calculate next number of sequences. Your formulas must have javascript syntax. You can also export your formulas to a text file or import from a text file.

With Number Series Calculator you can
- analyze many different types of math series (Fibonacci, Arithmetic progression, Geometric progression etc.)
- find the next or missing term in a number sequence
- search our online sequence database
- detect the pattern of the number sequence
- copy and send results to other applications (please, touch and hold the list item to show the menu).
- calculate partial sums (a Partial Sum is the sum of part of the sequence)
- use simple math expressions. For example 1/2, 2/3, ?/4, 4/?, 5/6, ...
- calculate the n-th item of the custom sequence.
- calculate the value of the custom formula.

Symbol ^ used to represent exponentiation. For example, 2^2 means 4 .

Examples

1 - What is missing and next terms in the number sequence 1, ?, ?, ?, ?, 8, 13, ?, ?, 55

Result:
Next term: 89
Pattern: A[n] = A[n-1] + A[n-2], n = 1,2,3 ...
Method: Fibonacci

2 - Find the next and missing terms in the number sequence 1, 1, ?, ?, ?, 8

Results:
1. Next term: 13
Pattern: A[n] = A[n-1] + A[n-2], n = 1,2,3 ...
Sequence: 1, 1, 2, 3, 5, 8
Method: Fibonacci

2. Next term: 7
Pattern: A[n] = A[n-1] - A[n-2] + n, n = 1,2,3 ...
Sequence: 1, 1, 3, 6, 8, 8

3 - Find the next term in the number sequence 1, 2, 3, 4, 5, 6

Results:
1. Next term : 7
Pattern: A[n] = n, n = 1,2,3 ...
Method: Common Differences

2. Next term: 7
Pattern: A[n] = A[n-1] + 1, n = 1,2,3 ...
Method: Common Differences

4 - Find the next number in the sequence 1, 2, 4, 8, 16, 32

Result:
Next term : 64
Expression: A[n] = A[n-1] * 2, n = 1,2,3 ...
Method: Common Differences

For best results run algorithm 2-3 times.
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Review Policy
4.2
215 total
5
4
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2
1

## What's New

Improved design.
Added select action dialog to custom expressions activity.
You can calculate the n-th item of custom expression.
You can calculate the value of simple custom expression.
Added support for custom expressions.
Added support for Spain, Greek and Russian languages.
Fixed Bugs.
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Updated
August 25, 2019
Size
3.1M
Installs
10,000+
Current Version
57.0
Requires Android
4.0 and up
Content Rating
Everyone
Permissions
Offered By
PLATANUS