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Double

Explainer: Numbers

Integers of different sizes and endianness, floating point numbers with a radix of 2 that can result in rounding and cancellation errors and NaNs, and bfloat16 for AI.

December 6, 2025 Macs, Technology

Mints version 1.18 now shows floating-point numbers in hex

Did you know that, in 64-bit double floating-point format, the number pi is 4009 21FB 6000 0000? Now you can discover that, and reverse from hex to regular decimal, using Mints.

February 21, 2024 Macs, Technology

Explore your App Store problems using Mints 1.4

T T Read More

A new tailor-made log view shows what’s happened in interactions with the App Store, and can give clues as to the cause of delays and failures.

May 6, 2021 Macs, Technology, Updates

Floating-point numbers aren’t evenly distributed

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Close to 0.0, there are huge numbers of different floating-point Doubles, but their value gets greater, they are far fewer.

April 27, 2021 General, Macs, Technology

Can you trust floating-point arithmetic on Apple Silicon?

M1 Macs may be as fast as greased lightning, but how good is their numerical accuracy? Can it match that of Intel processors?

April 22, 2021 Macs, Technology
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