Looking on the internet deeply has found these results:

matric is the most popular phrase on the web.

matrical 173,400 results on the web	matric 114,500,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	They might not accept a matrix overlay. An adaptive, heuristic matrix, yes. She passed her matric. To enter matrices, click on the [] and then click on the matrix symbol. You can move from matrix element to matrix element using the arrow keys Right arrow, Up arrow, Down arrow and Left arrow. An example matrix is shown below. Function MMULT multiplies two matrices. Number of columns of the first matrix must be the same as row count of the second one. The result is a matrix. Lindiwe passed Matric with flying colors. (matric potential, water content) Why don't you take Matric now?

matrical

173,400 results on the web

matric

114,500,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

They might not accept a matrix overlay.
An adaptive, heuristic matrix, yes.
She passed her matric.
To enter matrices, click on the [] and then click on the matrix symbol. You can move from matrix element to matrix element using the arrow keys Right arrow, Up arrow, Down arrow and Left arrow. An example matrix is shown below.
Function MMULT multiplies two matrices. Number of columns of the first matrix must be the same as row count of the second one. The result is a matrix.
Lindiwe passed Matric with flying colors.
(matric potential, water content)
Why don't you take Matric now?