Questions about or involving outside the range of normal machine precision, using Mathematica's capacity for arbitrary precision numbers and numbers outside the normal range of floating-point arithmetic.
28
votes
1answer
478 views
3
votes
2answers
309 views
Fast Trial Division
I'm going to write a custom Trial Division primality test. I know that PrimeQ will first try trial division and then switches to ...
4
votes
2answers
328 views
What is the most efficient way to add zeros to end of a number?
Beside *10^n, is there a faster way to add thousands of zeros to end of a number?
Updated
Timings:
...
5
votes
2answers
229 views
Fast Karatsuba Squaring, how to?
I want to improve timing of squaring for big numbers.
So I asked What is the fastest way to split a number into parts and What is the most efficient way to add zeros to end of a number with several ...
25
votes
2answers
3k views
What is so special about Prime?
When we try to evaluate Prime on big numbers (e.g. 10^13) we encounter the following issue :
...
3
votes
2answers
454 views
Mathematica output format for big numbers
I need to write output of a Mathematica expression (a list of equations) in a file. I use
...
14
votes
7answers
1k views
How to express an integer number in English words?
How do I convert a number to a readable string?
I would like to implement a function, inWords[],
inWords[n_]:= ?
which ...
8
votes
1answer
148 views
What determines the value of $MaxNumber?
What determines the value of $MaxNumber?
$MaxNumber
1.233433712981650*10^323228458
...
