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Equation 1 · Part 2 · Ten Failure Modes That Define Production Claude Code Use

Symbol t

T50(t)T_{50}(t)
tt

What this part means

t is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

Its job in the formula

t is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

The passage around this formula

…over six years of measurement — is worth writing as an explicit model rather than a slogan, because it is the empirical claim the section rests on: if T50(t)T_{50}(t) is the task duration completable at 50% reliability at year t , METR’s fit is

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Learn the underlying idea

A variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.

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Sources cited in the surrounding passage

These citations provide research context; check each source for the exact claim it supports.