Seeing there is nothing that is so troublesome to mathematical practice, nor that doth more molest and hinder calculators, than the multiplications, divisions, square and cubical extractions of great numbers.... I began therefore to consider in my mind by what certain and ready art I might remove those hindrances.
He went on to develop and invent logarithms and caluclating devices and the precursor to the slide rule.
A lot of people... use a calculator!
I can count all the lovers I've had on one hand...if I'm holding a calculator.
The desire to economize time and mental effort in arithmetical computations, and to eliminate human liability to error is probably as old as the science of arithmetic itself.
A good counter needs no calculator.
I remember watching my dad work on PCs, and I remember using Texas Instrument calculators in school. It was a bit nostalgic.
My fellow nerds and I will retire to the nerdery with our calculators.
I love math and was a math teacher for many years, so it was fun for me to write several math books, including 'Fraction Fun,' 'Calculator Riddles,' and 'Shape Up!' 'Fun with Triangles and Other Polygons.'
I am so old, I entered engineering school with a slide rule. And I left engineering school with a calculator. I can still use a slide rule but it's not a skill you especially need anymore.
I get verklempt if I see a vintage TI-30 or TI-54 calculator. But I don't think I'd want to use one.
Nature hates calculators.