Mental Arithmetic Quotes

I know that two and two make four - and should be glad to prove it too if I could - though I must say if by any sort of process I could convert 2 and 2 into five it would give me much greater pleasure.

A good counter needs no calculator.

I'm so smart. I am good at doing math really quickly in my head.

The Fidasians are so expert in keeping their accounts, that they easily reckon as exact, and as quick by memory, as we can do with pen and ink

Speaking of human computers, there is a guy named Art Benjamin, he's a human calculator. He says it's a skill he learned as a kid. Now he's a math professor at Harvey Mudd. He can find the square root of a six digit number in a few seconds. Practice.

I'd rather have a pencil and paper and do all my own calculations rather than rely on a machine. And I'll do most calculations in double digit multiples as quick as the machine.

Maths should be more practical and more conceptual, but less mechanical.

I still have to count on my hands! I'll be in a restaurant doing a tip and I'll be like, 'What's 20% of this?'

I can do lightning mathematics quicker than somebody can do them on a calculator.

By all means, have you give great attention to your arithmetic, as its advantages are so many and important.

I can't read a computer screen and never use a calculator. It's all in my head and by hand.

I thought math, especially when I was younger, is something you either love or hate. I had been blessed to be able to do math and it made me like it.

I cannot transfer my abilities to anyone, but I can think of quicker ways with which to help people develop numerical aptitude.

I have a photographic memory for numbers.

Those who have a natural talent for calculation are generally quick-witted at every other kind of knowledge; and even the dull, if they have had an arithmetical training, although they may derive no other advantage from it, always become much quicker than they would have been.