R - Math Functions

 R Code Examples Function a + b > 3+4 [1] 7 Addition a - b > 10-5 [1] 5 Subtraction a * b > 6*4 [1] 24 Multiplication a / b > 50/10 [1] 5 Division 2 + 4 * 5 > 6+10/5 [1] 8 Order of Operations abs(a-b) > abs(3-8) [1] 5 Absolute Value factorial(x) > factorial(4) [1] 24 Factorial of x (x!) x^n > 2^3 [1] 8 x raised to the nth power xen > 3e2 [1] 300 x * 10n log10(x) > log10(100) [1] 2 Common logarithm of x with base 10 log(x, n) > log(16,4) [1] 2 Logarithm of x with base n log(x) > log(42) [1] 3.73767 Natural logarithm with base e (2.1782) exp(n) > exp(7) [1] 1096.633 Exponential function: en sqrt(x) > sqrt(49) [1] 7 Square root of x floor(x) > floor(3.77) [1] 3 Rounds x down ceiling(x) > ceiling(3.44) [1] 4 Rounds x up pi > pi [1] 3.141593 3.141593 round(x, n) > round(3.575757575, 3) [1] 3.576 Round a number x to n decimal places round(pi, 0) > round(pi, 0) [1] 3 Round pi to a whole number round(pi, n) > round(pi, 4) [1] 3.1416  Round pi to n decimal places cos(x) > cos(0.5) [1] 0.8775826 Cosine of x sin(x) > sin(0.5) [1] 0.4794255 Sine of x tan(x) > tan(0.5) [1] 0.5463025 Tangent of x acos(x) > acos(1) [1] 0 Inverse cosine (arccosine)of x asin(x) > asin(1) [1] 1.570796 Inverse sine (arcsine) of x atan(x) > atan(1) [1] 0.7853982 Inverse tangent (arctangent) of x