The function vpa(a,d) returns the expression a evaluated with d digits of floating-point precision. If d is not given, then d is equal to the default precision, digits.

$\mathrm{with}\left(\mathrm{MTM}\right)\:$

$\mathrm{Digits}≔4$

$\mathrm{Digits}≔4$

$\mathrm{vpa}\left(\mathrm{\pi }\right)$

$3.142$

$\mathrm{vpa}\left(\mathrm{\pi }\,6\right)$

$3.14159$

$A≔\mathrm{Matrix}\left(\left[\left[1.23123\,4.93756\right]\,\left[-123.17602\,0.0234231\right]\right]\right)$

$A≔\left[\begin{array}{cc}1.23123& 4.93756\\ \mathrm{-123.17602}& 0.0234231\end{array}\right]$

$\mathrm{vpa}\left(\mathrm{LinearAlgebra}\left[\mathrm{MatrixInverse}\right]\left(A\right)\,14\right)$

$\left[\begin{array}{cc}0.0000385110381529485& \mathrm{-0.00811807837316464}\\ 0.202519581342707& 0.00202432408626761\end{array}\right]$