Engineering calculators built to be checked, not just used.

Engineering calculators for design engineers, each one citing its standard, stating its assumptions and producing a report you can file.

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Calculators

  • Tolerance stack-up

    Worst case, RSS (Bender factor), Monte Carlo

    ASME Y14.5-2018, Bender 1962, Fischer 2011

  • Cylinder force and sizing

    Force, speed, regeneration, standard bores, Euler buckling

    ISO 3320, ISO 15552, NFPA T3.6.7

How these tools are built

Each calculator is written and checked by a practising design engineer against worked examples from published sources. AI tools help with drafting and code. Read the editorial policy for the details.