\documentclass{article}
\usepackage{xparse}
\ExplSyntaxOn
\int_new:N \l_rk_npoints_int

\fp_new:N \l_rk_y_fp
\fp_new:N \l_rk_t_fp
\fp_new:N \l_rk_dt_fp

\fp_new:N \l_rk_ki_fp
\fp_new:N \l_rk_kii_fp
\fp_new:N \l_rk_kiii_fp
\fp_new:N \l_rk_kiv_fp

\cs_new:Npn \rk_ode:nn #1#2 {
  -(#1)
}

\cs_new:Npn \rk_integrate:NNN #1#2#3 {
  % #1: y
  % #2: t
  % #3: dt
  \fp_zero:N \l_rk_ki_fp
  \fp_zero:N \l_rk_kii_fp
  \fp_zero:N \l_rk_kiii_fp
  \fp_zero:N \l_rk_kiv_fp

  \fp_set:Nn \l_rk_ki_fp   { \rk_ode:nn { #1                   } { #2      } }

\documentclass{article}
\begin{document}
\begin{tabular}{|p{.5in}|p{1in}|p{2in}|}
\hline
\multicolumn{1}{|c|}{REFERENCE PAPER} & \multicolumn{1}{c|}{TECHNIQUE USED} & \multicolumn{1}{c|}{CONFIGURATION MECHANISM}\\
\hline
a & b & c
\end{tabular}
\end{document}

\documentclass{article}
\usepackage{array}
\newcolumntype{H}[1]{>{\centering\arraybackslash}p{#1}}
\begin{document}
\begin{tabular}{|p{1in}|p{1in}|p{2in}|}
\hline
\multicolumn{1}{|H{1in}|}{REFERENCE PAPER} & \multicolumn{1}{H{1in}|}{TECHNIQUE USED} & \multicolumn{1}{H{2in}|}{CONFIGURATION MECHANISM}\\
\hline
a & b & c
\end{tabular}
\end{document}

\documentclass{article}
\usepackage{array}
\usepackage{booktabs}
\newcolumntype{H}[1]{>{\centering\bfseries\arraybackslash}p{#1}}
\begin{document}
\begin{tabular}{p{1in}p{1in}p{2in}}
\toprule
\multicolumn{1}{H{1in}}{REFERENCE PAPER} & \multicolumn{1}{H{1in}}{TECHNIQUE USED} & \multicolumn{1}{H{2in}}{CONFIGURATION MECHANISM}\\
\midrule
a & b & c \\
\bottomrule
\end{tabular}
\end{document}

rule = [
    id : "zip",
    name : "Zip",
    arguments : [ "options", "output", "name", "extension", "data", "encrypt", "password" ],
    description : "Zip and unzip files",
    authors : [
        "cis"
    ],
    requires : 6.0
]

commands = [
    [
        name : "The zip program",
        command : {

	require('output')

	def program = obtain('program', 'zip')

	if (defined('unzip')) {
		program = check(true, 'unzip', 'un'.concat(program), program)
	}

	def options = obtain('options', '')

LaTeX Font Warning: Font shape `OML/Bembo/m/it' undefined
(Font)              using `OML/ntxmi/m/it' instead on input line 146.

LaTeX Font Warning: Font shape `TS1/Bembo/m/n' undefined
(Font)              using `TS1/cmr/m/n' instead
(Font)              for symbol `textdegree' on input line 146.

LaTeX Font Warning: Size substitutions with differences
(Font)              up to 0.45pt have occurred.

! LaTeX Error: Command \openbox already defined.
               Or name \end... illegal, see p.192 of the manual.

See the LaTeX manual or LaTeX Companion for explanation.
Type  H <return>  for immediate help.
 ...

l.430   \vrule\hfil}}

PDF statistics:
 1095 PDF objects out of 1200 (max. 8388607)
 847 compressed objects within 9 object streams
 438 named destinations out of 1000 (max. 500000)
 13 words of extra memory for PDF output out of 10000 (max. 10000000)

Here is how much of TeX's memory you used:
 38211 strings out of 493308
 844634 string characters out of 6141368
 981580 words of memory out of 5000000
 40427 multiletter control sequences out of 15000+600000
 86942 words of font info for 186 fonts, out of 8000000 for 9000
 957 hyphenation exceptions out of 8191