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Annually Monthly

BASIC

$4.99/month

Unlimited access to all site calculators, problem steps and solutions
100% ad-free

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STANDARD

$8.99/month

ALL features included in BASIC, plus:
Unlimited access to SAVE-AS WORD feature
25 downloads from in-site library of solved problem examples

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PREMIUM

$15.99/month

ALL features included in STANDARD, plus:
Priority support and access to exclusive webinars
100 downloads from in-site library of solved problem examples

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* When purchased annually

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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