Programs for General Mathematics needs

Question

What are the program that are needed in mathematics to save our time ?

Answer 1

Python has the numpython library that allows lots of Math programming. On the command line (unix) there is a program called 'bc'

Answer 2

you can suggest new needs to me, so I will try to make some programs.

Answer 3

1. To find all divisors of a number.
2. To find prime divisors of a number.
3. To find prime numbers till a given number n
4. To find square of numbers till a number n.
5. To find square numbers till a number n.