prefiixekkel
Prefixekkel is a prefixing notation of mathematical expressions that has been used to compactly represent mathematical and computer science concepts. It involves writing a mathematical expression with operators and operands enclosed in parenthesizing parentheses, but also omitting parentheses using certain rules to decide the operators precedence.
The prefixekkel notation was first introduced by the Dutch mathematician Adrianus Egbertus Bulteel as a shorthand
This notation is the same as the Polish notation used by Boche Zakowskiwski and as the suffixekkel
In prefixekkel notation, parentheses are used mainly to group functions rather than operations. Some expressions such
The use of prefixekkel notation has decreased in popularity over the years, as other notations such as