Equation 3 · Part 1 · The Economics, Energy, and Physical Limits of Tool Protocols and the Model Context Protocol

Symbol T_tools

T_{\mathrm{tools}}

T_{\mathrm{tools}}

What this part means

$T_t$ ools 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

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

Full expressionSymbol T_toolsArticle meaning

The passage around this formula

$T_{\mathrm{system}}$ is the operator’s own instructions, $T_{\mathrm{tools}}$ is the serialised cost of every tool schema currently declared, $T_{\mathrm{exchange}}$ is the live user message and the model’s own reply, and the summation term is every prior tool result the session has decided to keep. The point of writing it this way is that $T_{\mathrm{tools}}$ …

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Learn the underlying idea

A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.

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Sources cited in the article section

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