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By subscribing to spectralcalc.com, you get full, priority access to the advanced features of the Spectral Calculator, an essential tool for researchers, students and teachers. Visualize your results in seconds, and download research quality data for publication or further analysis. For only pennies per calculation you gain access to the most advanced, state-of-the-art radiative transfer algorithms--the same ones used by NASA for many remote sensing missions. With a subscription to spectralcalc.com, there is:

- no more messy platform-dependent software to install.
      All computations are done on our own powerful servers.

- no need to keep track of complicated set-up files.
      Our simple user interface makes problem specification quick and painless.

-no waiting to get back to the lab to make your runs.
      You have instant access from any internet browser.

-no fussing with time-consuming database updates.
      We include the latest spectroscopic data.

-no time wasted on software maintenance.
      Our algorithms are continually updated to reflect the latest
      advances in spectroscopy and radiative transfer.

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