This online mathematical keyboard is limited to what can be achieved with Unicode characters. It creates linkages between otherwise very different concepts and experiences. This means for example that you cannot put one symbol over another.
In the Press new shortcut key field type the key combination that you want to use for the symbol or character eg for symbol m used AltM and click Assign.
It creates linkages between otherwise very different concepts and experiences. While this is a serious limitation multi-level formulas are not always needed and even when they are needed proper math symbols still look better than improvised ASCII approximations. Math Symbols allow people to go beyond that they have seen. This means for example that you cannot put one symbol over another.