Math is the substrate every plan onchain is made of: the chain keeps its books in fixed point integers, and every rate, price, balance, and share that matters is a number some contract multiplied and divided at a scale no desk calculator was built for. Eighteen decimal WADs, twenty seven decimal RAYs, basis points, raw token units: this is the arithmetic the entire market already runs on, every block, without exception.

A plug computes in that native register directly. Sums, differences, products, quotients, remainders, powers, floors and caps over full width integers. Proportions taken in percent, basis points, WAD, or RAY without ever leaving the scale the protocol prices in. Multiplication fused with division so precision never dies in an intermediate value, with the rounding direction chosen deliberately rather than inherited by accident. Roots, logarithms, and exponentials for the curves that lending rates and AMM invariants are actually built from.

The numbers that matter are computed in the same transaction that acts on them. An order sized as a fraction of a balance the moment the balance is read, not the value it had when a person last looked. A repayment proportional to exactly how far a threshold was crossed. A yield split at precise basis points between destinations. Nothing copied out of a spreadsheet, nothing rounded by hand, nothing stale by the time it lands.

Every strategy that holds up under real money is arithmetic first and conviction second, and the arithmetic is the part a person gets wrong at four in the morning. A plug does not.