Theoretical rebar weight calculator
Estimate round reinforcing-bar mass from diameter, total length and an explicit material density.
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Something new: Internet speed test → Check your connection with a speedometer and a running bunny.
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Crypto spot profit and loss calculator
Compare net sale proceeds with purchase outlay, percentage fees and an additional upfront cost.
Open calculatorEthereum execution gas fee calculator
Model EIP-1559 fees from gas used, fee caps and an entered ETH price.
Open calculatorStaking reward scenario calculator
Separate hypothetical reward tokens, reward fees, reinvestment and a fiat price-change scenario.
Open calculatorMoving-average trade position calculator
Track chronological buys and sells with realized change, remaining book cost and a mark-to-price scenario.
Open calculator50/50 pool divergence calculator
Compare a fee-free full-range constant-product LP with holding its starting tokens.
Open calculatorConstant-product swap scenario calculator
Evaluate a hypothetical fixed-fee pool’s output, average price and an entered tolerance threshold.
Open calculatorPerpendicular line and projection calculator
Find perpendicular and parallel lines through a point, plus its perpendicular foot and distance.
Open calculatorInverse function calculator for supported families
Invert affine, nondegenerate linear-fractional or restricted quadratic forms and evaluate an entered output.
Open calculatorExact polynomial arithmetic calculator
Add, subtract or multiply coefficient-defined polynomials with exact rational coefficients.
Open calculatorExact polynomial division calculator
Find quotient and remainder and inspect the exact dividend-divisor identity.
Open calculatorRational polynomial zero finder
Find all rational zeros and multiplicities within a bounded integer-polynomial search.
Open calculatorExact linear-binomial expansion calculator
Expand (ax+b)ⁿ with rational coefficients and inspect every resulting power.
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