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ALL features included in Basic, PLUS:
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Extra Bonus: 25 premium download credits for our solution library of textbook problems

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Premium

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ALL features included in Standard, plus:
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Extra Bonus: 100 solution library credits

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Basic Membership $4.99 for each month UNLIMITED access to all site calculators, problem steps and solutions, 100% Ad-free.

Standard Membership $8.99 for each month UNLIMITED access to all site calculators, problem steps and solutions, 100% Ad-free.
Unlimited access to SAVE-AS WORD feature
25 downloads from in-site library of solved problem examples
Premium Membership $15.99 for each month UNLIMITED access to all site calculators, problem steps and solutions, 100% Ad-free.
Unlimited access to SAVE-AS WORD feature
100 downloads from in-site library of solved problem examples
Priority support and access to new calculator requests and exclusive webinars
Basic Membership Annual $23.88 for each year Charged at $1.99/month when billed annually (60 % off the regular price).
UNLIMITED access to all site calculators, problem steps and solutions. 100% Ad-free.
Standard Membership Annual $71.88 for each year Charged at $5.99/month when billed annually (34% off the regular price!)
UNLIMITED access to all site calculators, problem steps and solutions, 100% Ad-free.
Unlimited access to SAVE-AS WORD feature
25 downloads from in-site library of solved problem examples
Premium Membership Annual $119.88 for each year Charged at $9.99/month when billed annually (38% off the regular price).
UNLIMITED access to all site calculators, problem steps and solutions, 100% Ad-free.
Unlimited access to SAVE-AS WORD feature
100 downloads from in-site library of solved problem examples
Priority support and access to new calculator requests and exclusive webinars

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