Basic Example Maths basic operations

Create a new quiz by selecting desired contents:
QUIZ Title:
Output:
Your dynamic file browser offering these links:
maths-basic-ops.json [ PDF ] [ TEX ] [ HTML ]
maths-basic-ops-more.json [ PDF ] [ TEX ] [ HTML ]
* Note * They are not built based on form settings here but form settings saved to json files, say.
Will this ever work? Who knows. Example formulas. More to come. When \(a \ne 0\), there are two solutions to \(ax^2 + bx + c = 0\) and they are $$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$