# Questions tagged [math]

The challenge involves mathematics in some central way. Also consider using more specific tags, listed in the tag wiki info.

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### Most logical rectangle formula from numbers [duplicate]

Introduction The task is simple. When given a number, output the most logical rectangle. To explain what a logical rectangle is, I provided some examples: Input: 24....
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1 vote
2k views

### Is it a completely even number?

A completely even number is a positive even integer whose divisors (not including 1) are all even. Some completely even numbers are: 2 (divisors: 2, 1) 4 (divisors: 4, 2, 1) 16 (divisors: 16, 8, 4, 2,...
• 13.8k
2k views

### Solve this math problem in smallest amount of code [closed]

Here I found a cool math problem. I thought you could write some golfed code to compute all answers between x and x.(there is an infinite amount). Problem: Once upon a time, and old lady went to sell ...
• 211
361 views

### Solve an algebraic expression

The Challenge Your task is to create a program that can solve an algebraic equation. Input Input will consist of a String. The string will be an equality ...
• 679
902 views

### Return the highest possible placement value based on the input

Introduction The challenge itself was something I came across and had to try and figure out for a personal of project of mine. I ended up branching out and asking family members if they could provide ...
• 185
539 views

### Find the inverse of a matrix

Write a full program to calculate the inverse of a 4-by-4 matrix. Rules The sixteen values of the initial matrix must be hard-coded to variables, as follows: ...
• 10.8k
253 views

### Is it an Arithmetic Sequence or not? [closed]

Challenge In this challenge, the input will be an ordered set of numbers and the program should be able to tell if the set of numbers is an Arithmetic Sequence. Input The input will be a list ...
• 8,533