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# Tag Info

## Hot answers tagged calculations

52 votes

• 1,602
3 votes

### Proof of why BODMAS (or BIDMAS) works?

It works by avoiding the ambiguity that 2 + 3 x 6 would otherwise have. If we simply said we calculate left to right, we'd have a result of 30. With the priority, multiplication higher, we have ...
2 votes
Accepted

### How to explain inverse modulo?

For the first, there are a number of apps out there, though I will recommend that you go somewhat non-simple and use Sage. Are you looking for additive or multiplicative inverse? In either case, it ...
• 5,976
2 votes

### Proof of why BODMAS (or BIDMAS) works?

It is kind of arbitrary which operation goes first, but my guess is that our current system is just a little more concise in most problems. As an example imagine two systems: a system A that is like ...
• 21
1 vote

### Resources for improving computational skills at the high school/university transition

The Art of Problem Solving has plenty of problems involving pre-calculus tools, some of them quite challenging. However, the best way forward might not be computationally challenging exercises. You ...
• 3,040

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