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  1. Sigma-Aldrich

    Research. Development. Production. We are a leading supplier to the global Life Science industry with solutions and services for research, biotechnology development and production, and …

  2. Lenses | SIGMA Corporation of America

    Sigma SA 25 items; Sony A 3 items; Fujifilm X 9 items; Micro 4/3 3 items; Pentax 2 items; Sensor Coverage. Full Frame 65 items; APS-C 11 items; Lens Type. Primes 49 items; Zooms 28 …

  3. Sigma Beauty | Industry Leading Makeup Brushes & Brush Care

    Explore endless possibilities with Sigma Beauty's curated collection of industry leading makeup brushes, revolutionary brush care & cruelty-free cosmetics.

  4. Sigma

    The official global site of camera & lens manufacturing company Sigma.Here you can find information about our company and our products, support, repairs and inspections, as well as …

  5. Sigma Symbol (σ)

    The capital Greek letter Σ (Sigma) is visually very similar to the summation symbol (∑) which is the dedicated symbol in math for the summation operation.

  6. Sigma Symbol in Greek Alphabet Σ σ

    The small letter sigma (σ) is used to represent standard deviation in math and statistics. It is also used to show syllable in linguistic, a shielding constant in chemistry and sum of divisors in math.

  7. SIGMA Definition & Meaning - Merriam-Webster

    The meaning of SIGMA is the 18th letter of the Greek alphabet. Slang Meaning of Sigma

  8. Sigma-Aldrich ® Lab & Production Materials - MilliporeSigma

    Sigma-Aldrich® Lab & Production materials that help you Unleash the Impossible. Explore our range of lab, diagnostic and bulk products, hear stories from inspiring scientists like you, and …

  9. Sigma Corporation of America

    Sigma Corporation of America is a subsidiary of the Sigma Corporation, a Japanese based family owned manufacturer of DSLR cameras, camera lenses and camera accessories. Founded in …

  10. Sigma Notation - Math is Fun

    I love Sigma, it is fun to use, and can do many clever things. So means to sum things up ... Sum whatever is after the Sigma:

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