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Science
Reference for trigonometric identities, sum/difference, double/half angle formulas.
Open Trig FormulasYour specific task is calculate the volume of a torus from major and minor radii. Open the page, drop your input, get the result — typically under a second.
Your goal is reference for trigonometric identities, sum/difference, double/half angle formulas. Same approach: paste in, get the result, move on. No account, no upload.
Both tools live in the same category, so the choice depends on the exact subtask. Torus Vol focuses on calculate the volume of a torus from major and minor radii; Trig Formulas focuses on reference for trigonometric identities, sum/difference, double/half angle formulas. Try whichever description matches your goal more closely — they're both free.
Yes — both tools are free for unlimited personal use. The Pro plan unlocks higher limits and batch features but the core functionality stays free forever.
Absolutely. Many users chain multiple tools together — process a file with one, then feed the result into another. Nothing is uploaded, so chaining is essentially instant.
No. Both Torus Vol and Trig Formulas work without signup. We only ask for an email if you decide to subscribe to a paid plan.