So the idea is that we can only use mathematical symbols and no other digits/numbers, correct?
I can use numbers? Any number? What about 61*100+61?
You can use only 2 61's.
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.