Pascal operations on numbers
43
Is floating point math broken?
90068
Calculating the number of times a digit is written when given two numbers
30575
How to precalculate valid number of combinations instead of using while loop?
27492
Testing if given number is integer
143392
How to calculate the division and remainder of a big number manually
25673
Number after binomial coefficient
107121
Integer solutions to combinations of floating point numbers
78946
Why does casting out $9$ and $11$ work to compute remainders?
7837
What is the best way to add two numbers without using the + operator?
51408
Converting numbers to integers
121960
How many numbers from $1$ to $2^n$ will have $``11"$ as substring in binary representation?
2528
How to do integer & float calculations, in bash or other languages/frameworks?
66768
Is there "0b" or something similar to represent a binary number in Javascript
64658
How many associative binary operations for a set of two elements?
96846
Decimal representation begins with $N$
116970
On the number divisors of a number
91704
Convert integers to written numbers