# Mathematical, Calculus, and Others

These are the available functions for math, calculus, and so on. See each function's help topic in the TERR Language Reference for more information.

Function name | Title description
--- | ---
`!=` | Comparison Operators
`%/%` | Arithmetic Operators
`%%` | Arithmetic Operators
`^` | Arithmetic Operators
`+` | Arithmetic Operators
`<` | Comparison Operators
`<=` | Comparison Operators
`==` | Comparison Operators
`abs` | Absolute Value
`acos` | Inverse Trigonometric Functions
`acosh` | Inverse Hyperbolic Trigonometric Functions
`anyNA` | Quickly check for missing (NA) values
`approx` | Interpolation Functions
`approxfun` | Interpolation Functions
`Arithmetic` | Arithmetic Operators
`asin` | Inverse Trigonometric Functions
`asinh` | Inverse Hyperbolic Trigonometric Functions
`atan` | Inverse Trigonometric Functions
`atan2` | Inverse Trigonometric Functions
`atanh` | Inverse Hyperbolic Trigonometric Functions
`besselI` | Bessel functions
`besselJ` | Bessel functions
`besselK` | Bessel functions
`besselY` | Bessel functions
`ceiling` | Integer Values
`choose` | Factorial, Combinations, and Permutations
`colMeans` | Row and Column Summaries
`colSums` | Row and Column Summaries
`combn` | Generate combinations of m elements out of x
`Comparison` | Comparison Operators
`cos` | Trigonometric Functions
`cosh` | Hyperbolic Trigonometric Functions
`cospi` | Trigonometric Functions
`cummax` | Cumulative Maxima and Minima
`cummin` | Cumulative Maxima and Minima
`cumprod` | Cumulative Sums and Products
`cumsum` | Cumulative Sums and Products
`diff` | Create an Object of Differences
`diff.Date` | Create an Object of Differences
`diff.default` | Create an Object of Differences
`diff.POSIXt` | Create an Object of Differences
`diff.ts` | Create an Object of Differences
`digamma` | Gamma Function (and Its Derivatives and Logarithm)
`exp` | Exponential and related Functions
`expm1` | Exponential and related Functions
`factorial` | Factorial, Combinations, and Permutations
`floor` | Integer Values
`gamma` | Gamma Function (and Its Derivatives and Logarithm)
`is.finite` | Check IEEE Arithmetic Values
`is.infinite` | Check IEEE Arithmetic Values
`is.nan` | Check IEEE Arithmetic Values
`lchoose` | Factorial, Combinations, and Permutations
`lfactorial` | Factorial, Combinations, and Permutations
`lgamma` | Gamma Function (and Its Derivatives and Logarithm)
`log` | Exponential and related Functions
`log10` | Exponential and related Functions
`log1p` | Exponential and related Functions
`log2` | Exponential and related Functions
`logb` | Exponential and related Functions
`Math.data.frame` | Math Group Method for Data Frame Objects
`max` | Extremes
`mean` | Mean Value (Arithmetic Average)
`mean.data.frame` | Mean Value (Arithmetic Average)
`mean.Date` | Mean Value (Arithmetic Average)
`mean.default` | Mean Value (Arithmetic Average)
`mean.difftime` | Mean Value (Arithmetic Average)
`mean.POSIXct` | Mean Value (Arithmetic Average)
`mean.POSIXlt` | Mean Value (Arithmetic Average)
`median` | Median
`median.default` | Median
`min` | Extremes
`nextn` | Highly Composite Numbers
`optimHess` | Numerically Estimate Hessian Matrix
`pmax` | Parallel Maximum or Minimum
`pmax.int` | Parallel Maximum or Minimum
`pmin` | Parallel Maximum or Minimum
`pmin.int` | Parallel Maximum or Minimum
`polyroot` | Find the Roots of a Polynomial
`prod` | Sums and Products
`psigamma` | Gamma Function (and Its Derivatives and Logarithm)
`quantile` | Empirical Quantiles
`range` | Get the Range of Data
`rank` | Ranks of Data
`round` | Rounding Functions
`rowMeans` | Row and Column Summaries
`rowSums` | Row and Column Summaries
`signif` | Rounding Functions
`sin` | Trigonometric Functions
`sinh` | Hyperbolic Trigonometric Functions
`sinpi` | Trigonometric Functions
`spline` | Interpolating Splines
`splinefun` | Interpolating Splines
`splinefunH` | Interpolating Splines
`sqrt` | Exponential and related Functions
`sum` | Sums and Products
`tan` | Trigonometric Functions
`tanh` | Hyperbolic Trigonometric Functions
`tanpi` | Trigonometric Functions
`trig` | Trigonometric Functions
`trigamma` | Gamma Function (and Its Derivatives and Logarithm)
`trunc` | Integer Values
`which.max` | Find the Index of the Minimum or Maximum Value
`which.min` | Find the Index of the Minimum or Maximum Value
`xtfrm` | Sorting and Ranking
`zapsmall` | Coerce Small Numbers to Zero for Printing