Using R as a calculator

gistfile1.txt

# USE R AS A CALCULATOR

# Comments (like this one) are indicated with a # in R

# Addition
1 + 2

# Subtraction
3.2 - 1.8

# Division
12/3

# Multiplication
12 * 3

# Exponential
12^2

# Remainder of integer division (modulo)
12%%3

# Quotient of integer division
10 %\% 3

# Convert Float to Integer
as.integer(5.9)

# Convert String to Numeric
population <- "5000"
population
as.numeric(population)

# Log
log(10)

# Log 10
log10(10)

# Square root
sqrt(2)

# Pi
pi

# Sin
sin(pi)

# Cos
cos(0.707)

# Tan
tan(1.5)

# Use brackets to specify sequence of calculations
(1 + 3) * 2.5