3 ms·
It helps to read $ as "value". Then "function $ x" is "function value (of/at) x". Works in some other languages too, e.g. $VARNAME = value (of) VARNAME.
by pandaman 11y ago
It helps to read $ as "value". Then "function $ x" is "function value (of/at) x". Works in some other languages too, e.g. $VARNAME = value (of) VARNAME.