Mathematics
Basic Maths
Sum of AP : sum = n/2 * (2a+(n-1)d)
Sum of GP : a(1-r^n)/1-r
Mean : sum of all numbers divided by number of numbers
Median :
For odd number of numbers : middle number
For even number of numbers : ( mean of middle numbers ) / 2
LCM : LCM(a,b) = |a.b|/gcd(a,b)
GCD or HCF
Number of Digits
Number of Digits in a number ( iteratively )
Number of Digits in a number ( recursively )
Number of Digits in a number ( mathematically )
First N Prime
Factorial of a number
Last updated