% This file is embedded in datatool-user.pdf version 3.2 2025-03-14
% Example 37 Decimal Functions (l3fp)
% Label: "ex:l3fpcalc"
% arara: pdflatex
% arara: pdfcrop
\documentclass[12pt]{article}
\pagestyle{empty}
\usepackage[math=l3fp]{datatool-base}
\newcommand{\numA}{1023.5}
\newcommand{\numB}{54.75000}
\newcommand{\numC}{-20648.68}
\newcommand{\numlist}{32.456,0.15,-25,48.7,92}
\begin{document}
\dtladd{\result}{\numA}{\numB}
$\numA + \numB = \result$.
\dtladd{\result}{\result}{\numC}
Add $\numC$ to previous result. Updated result: \result.
\dtladdall{\result}{\numlist}
Sum of all numbers in the set $\{\numlist\}$: \result.
\dtlsub{\result}{\numA}{\numB}
$\numA - \numB = \result$.
\dtlsub{\result}{\result}{\numC}
Subtract $\numC$ from previous result. Updated result: \result.
\dtlmul{\result}{\numA}{\numB}
$\numA \times \numB = \result$.
\dtlmul{\result}{\result}{\numC}
Multiply previous result by $\numC$. Updated result: \result.
\dtldiv{\result}{\numA}{\numB}
$\numA \div \numB = \result$.
\dtldiv{\result}{\result}{\numC}
Divide previous result by $\numC$. Updated result: \result.
\dtlsqrt{\result}{\numA}
$\sqrt{\numA} = \result$.
\dtlsqrt{\result}{9}
$\sqrt{9} = \result$.
\dtlroot{\result}{\numA}{3}
$\sqrt[3]{\numA} = \result$.
\dtlroot{\result}{8}{3}
$\sqrt[3]{8} = \result$.
\dtlround{\result}{\numB}{1}
Round $\numB$ to 1dp: \result.
\dtltrunc{\result}{\numB}{1}
Truncate $\numB$ to 1dp: \result.
\dtlclip{\result}{\numB}
Clip $\numB$: \result.
\dtlmin{\result}{\numA}{\numB}
Minimum of $\numA$ and $\numB$: \result.
\dtlminall{\result}{\numlist}
Minimum value in the set $\{\numlist\}$: \result.
\dtlmax{\result}{\numA}{\numB}
Maximum of $\numA$ and $\numB$: \result.
\dtlmaxall{\result}{\numlist}
Maximum value in the set $\{\numlist\}$: \result.
\dtlabs{\result}{\numC}
Absolute value of $\numC$: \result.
\dtlneg{\result}{\numC}
Negate value of $\numC$: \result.
\dtlmeanforall{\meanvalue}{\numlist}
Mean of all numbers in the set $\{\numlist\}$: \meanvalue.
\dtlvarianceforall[\meanvalue]{\result}{\numlist}
Variance of all numbers in the set $\{\numlist\}$ (using previously calculated mean): \result.
\dtlvarianceforall{\result}{\numlist}
Variance of all numbers in the set $\{\numlist\}$ (not using previously calculated mean): \result.
\dtlsdforall[\meanvalue]{\result}{\numlist}
Standard deviation of all numbers in the set $\{\numlist\}$ (using previously calculated mean): \result.
\dtlsdforall{\result}{\numlist}
Standard deviation of all numbers in the set $\{\numlist\}$ (not using previously calculated mean): \result.
\end{document}