Is there something like that Math.Pow() method but extremely precise as in at least 50 or a hundred digits?
13429
Raising a decimal to a power of decimal?
95033
Find the remainder of a number with a large exponent
120198
Power of two startiing with any desired sequence of digits
98703
pow() seems to be out by one here
75734
How to make the computer consider two numbers equal up to a certain precision
47774
The most efficient way to implement an integer based power function pow(int, int)
70396
Converting to machine precision
156510
How to compute $2^{\text{some huge power}}$
143392
How to calculate the division and remainder of a big number manually
103066
Best method to round up to the nearest 0.05 in java
92466
Is there any alternative to using % (modulus) in C/C++?
153831
Approximating $\pi$ with least digits
7801
Can you raise a number to an irrational exponent?
118868
What are the best (portable) cross-platform arbitrary-precision math libraries?
72406
Last two digits of $2^{1000}$ via Chinese Remainder Theorem?
15618
Can Mathematica propose an exact value based on an approximate one?
79343
How to compute the nth root of a very big integer