# MatSQ FAQ **URL:** https://community.materialssquare.com/c/materials-square-faq/12.md?page=1 [Latest](https://community.materialssquare.com/latest.md) · [Categories](https://community.materialssquare.com/categories.md) · [Tags](https://community.materialssquare.com/tags.md) **Page:** 2 --- ## [Q. What does "CPU hour" mean?](https://community.materialssquare.com/t/q-what-does-cpu-hour-mean/309)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 12:53am UTC](https://community.materialssquare.com/t/q-what-does-cpu-hour-mean/309 "2024-05-31T00:53:46Z")
A. A CPU hour is a unit of measurement that indicates the number of hours a CPU core has been actively processing data. A CPU hour is calculated by multiplying the number of CPU cores used by the number of hours that th… --- ## [Q. How do I access the webinar recording and the presentation material?](https://community.materialssquare.com/t/q-how-do-i-access-the-webinar-recording-and-the-presentation-material/317)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 1:44am UTC](https://community.materialssquare.com/t/q-how-do-i-access-the-webinar-recording-and-the-presentation-material/317 "2024-05-31T01:44:18Z")
A. All MatSQ users can access the webinar recording and presentation materials. These materials will be uploaded to the MatSQ webinar page one week following the webinar. However, users who did not pre-register for the … --- ## [Q. How do I view or download my invoices?](https://community.materialssquare.com/t/q-how-do-i-view-or-download-my-invoices/318)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 1:48am UTC](https://community.materialssquare.com/t/q-how-do-i-view-or-download-my-invoices/318 "2024-05-31T01:48:05Z")
A. Our payment processor, Paddle, automatically sends an invoice to your email upon each payment. You can download your invoice by clicking on the corresponding link within this email. You can also access and download y… --- ## [Q. How do I cancel my subscription?](https://community.materialssquare.com/t/q-how-do-i-cancel-my-subscription/325)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 2:45am UTC](https://community.materialssquare.com/t/q-how-do-i-cancel-my-subscription/325 "2024-05-31T02:45:22Z")
A. To cancel your subscription, please go to the “Account \> Credit Management” section and select “Cancel Subscription.” Once you choose to cancel the subscription, it will no longer be renewed. You will still be able to… --- ## [Q. What happens when I cancel my subscription?](https://community.materialssquare.com/t/q-what-happens-when-i-cancel-my-subscription/326)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 2:49am UTC](https://community.materialssquare.com/t/q-what-happens-when-i-cancel-my-subscription/326 "2024-05-31T02:49:20Z")
A. Canceling your subscription means your current subscription will no longer renew, and it will expire on the next renewal date. The CPU time, unlimited cores, and storage provided as part of the subscription will remai… --- ## [Q. What should I do if I run out of storage space?](https://community.materialssquare.com/t/q-what-should-i-do-if-i-run-out-of-storage-space/327)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 2:50am UTC](https://community.materialssquare.com/t/q-what-should-i-do-if-i-run-out-of-storage-space/327 "2024-05-31T02:50:57Z")
A. When you exceed the default storage capacity provided, you will need to better organize your data or alternatively subscribe to one of the ‘Storage Plans’. If your storage is full, new job submissions will be limi… --- ## [Q. Why is my credit balance now negative?](https://community.materialssquare.com/t/q-why-is-my-credit-balance-now-negative/329)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 5:56am UTC](https://community.materialssquare.com/t/q-why-is-my-credit-balance-now-negative/329 "2024-05-31T05:56:54Z")
A. If your credits are fully exhausted while a calculation is in progress, the job will be stopped. Credit balance checks are not performed in real-time but are done at one-hour intervals. Therefore, based on the computi… --- ## [Q. Is there any pricing plan for student?](https://community.materialssquare.com/t/q-is-there-any-pricing-plan-for-student/322)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 2:22am UTC](https://community.materialssquare.com/t/q-is-there-any-pricing-plan-for-student/322 "2024-05-31T02:22:16Z")
A. Yes. We have a pricing option for Academic users which is ‘Graphite-100’. Academic users (who must use an institutional email account) can use 2,000 CPU hours for the price of $100. (Normal price would be: 2,000 CPU h… --- ## [Q. Why have I not received my invite credits?](https://community.materialssquare.com/t/q-why-have-i-not-received-my-invite-credits/332)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [June 3, 2024, 1:18am UTC](https://community.materialssquare.com/t/q-why-have-i-not-received-my-invite-credits/332 "2024-06-03T01:18:28Z")
A. Thank you for inviting your friends to Materials Square! To be eligible for the $10 credit offered as part of our referral program, both accounts of the inviting user and the invitee(s) must be Academic users (and mu… --- ## [Q. How do I connect modules?](https://community.materialssquare.com/t/q-how-do-i-connect-modules/333)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [June 3, 2024, 1:37am UTC](https://community.materialssquare.com/t/q-how-do-i-connect-modules/333 "2024-06-03T01:37:19Z")
A. A workflow can be created by assembling multiple modules as if they were assembling blocks. You can connect any two modules through the following method: Select and add a module from the Module Selector. Chec… --- ## [Q. How do I submit a job to start the calculation?](https://community.materialssquare.com/t/q-how-do-i-submit-a-job-to-start-the-calculation/335)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [June 3, 2024, 2:55am UTC](https://community.materialssquare.com/t/q-how-do-i-submit-a-job-to-start-the-calculation/335 "2024-06-03T02:55:31Z")
A. A certain calculation is ready to be started if you have completed entering all the input script settings in the ‘Simulation’ modules. In the simulation module, select the options for the various settings in the ‘Job… --- ## [Q. How do I stop a running job?](https://community.materialssquare.com/t/q-how-do-i-stop-a-running-job/339)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [June 3, 2024, 7:40am UTC](https://community.materialssquare.com/t/q-how-do-i-stop-a-running-job/339 "2024-06-03T07:40:28Z")
A. After clicking the ‘Start Job!’ button, click the :arrow\_forward: icon on the top bar to open the dashboard. It shows the progress status of the operation, as shown in the following figure. If necessary, you can stop … --- ## [Q. Is it possible to estimate the calculation time or credit consumption for each job?](https://community.materialssquare.com/t/q-is-it-possible-to-estimate-the-calculation-time-or-credit-consumption-for-each-job/338)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [June 3, 2024, 6:02am UTC](https://community.materialssquare.com/t/q-is-it-possible-to-estimate-the-calculation-time-or-credit-consumption-for-each-job/338 "2024-06-03T06:02:51Z")
A. Estimating the calculation time for a job before it begins can be challenging due to various factors, including structure size, element types, input settings, and the number of cores used. However, once the calculatio… --- ## [Q. Can I submit several jobs at the same time? Will this slow down the computation speed?](https://community.materialssquare.com/t/q-can-i-submit-several-jobs-at-the-same-time-will-this-slow-down-the-computation-speed/336)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [June 3, 2024, 3:07am UTC](https://community.materialssquare.com/t/q-can-i-submit-several-jobs-at-the-same-time-will-this-slow-down-the-computation-speed/336 "2024-06-03T03:07:36Z")
A: Yes, you can submit several jobs simultaneously. Each job runs on a different cloud computer, which means the computation speed for each job is not affected by the number of jobs running. --- ## [Q. Why am I receiving a pop-up alert that my credit is below $1 when actually, I have more than that in my credit balance?](https://community.materialssquare.com/t/q-why-am-i-receiving-a-pop-up-alert-that-my-credit-is-below-1-when-actually-i-have-more-than-that-in-my-credit-balance/337)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [June 3, 2024, 3:32am UTC](https://community.materialssquare.com/t/q-why-am-i-receiving-a-pop-up-alert-that-my-credit-is-below-1-when-actually-i-have-more-than-that-in-my-credit-balance/337 "2024-06-03T03:32:20Z")
A. When you attempt to submit a job, our system pre-allocates credits based on the assumption that your job will run for one hour. The amount allocated can range from $6 for 24 cores to $12 for 48 cores, depending on the… --- ## [Q. Is it okay if I log out and turn off my computer during the calculation?](https://community.materialssquare.com/t/q-is-it-okay-if-i-log-out-and-turn-off-my-computer-during-the-calculation/334)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [June 3, 2024, 2:15am UTC](https://community.materialssquare.com/t/q-is-it-okay-if-i-log-out-and-turn-off-my-computer-during-the-calculation/334 "2024-06-03T02:15:51Z")
A. Yes, you can log out and turn off your computer during a calculation. The calculations will continue to process. When submitting your job, if you select the “Finish Notice” option, you will receive an alert at your em… --- ## [Q. Can I renew my Graphite-100 subscription earlier than the scheduled renewal date?](https://community.materialssquare.com/t/q-can-i-renew-my-graphite-100-subscription-earlier-than-the-scheduled-renewal-date/330)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 7:14am UTC](https://community.materialssquare.com/t/q-can-i-renew-my-graphite-100-subscription-earlier-than-the-scheduled-renewal-date/330 "2024-05-31T07:14:13Z")
A. Unfortunately, the Graphute-100 plan is a monthly academic subscription model, so it can only be renewed once a month. If you have exhausted the provided CPU time before the renewal date, you can continue the calcula… --- ## [Q. How do I purchase credits?](https://community.materialssquare.com/t/q-how-do-i-purchase-credits/328)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 2:52am UTC](https://community.materialssquare.com/t/q-how-do-i-purchase-credits/328 "2024-05-31T02:52:56Z")
A. Credits and Atom Packs (Credit Bundle Packages) can be purchased through the ‘Credits Management’ tab on the ‘Account’ page. If you sign up as an academic/institutional account, you can receive $10 in welcome cred… --- ## [Q. How can I upgrade or downgrade my subscription?](https://community.materialssquare.com/t/q-how-can-i-upgrade-or-downgrade-my-subscription/324)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 2:35am UTC](https://community.materialssquare.com/t/q-how-can-i-upgrade-or-downgrade-my-subscription/324 "2024-05-31T02:35:07Z")
A. If you would like to upgrade or downgrade your upcoming renewed subscription, please go to the ‘Account\>Credits Management’ section. Here, select ‘Cancel Subscription’ before your renewal date. Once your current subsc… --- ## [Q. I can’t subscribe to the Graphite-100 plan](https://community.materialssquare.com/t/q-i-can-t-subscribe-to-the-graphite-100-plan/323)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 2:25am UTC](https://community.materialssquare.com/t/q-i-can-t-subscribe-to-the-graphite-100-plan/323 "2024-05-31T02:25:29Z")
A. The Graphite-100 is available only to users who have registered with an academic or research institute account. If you have signed up with an academic or research institute account and still cannot apply for the plan… --- ## [Q. What is included in the Unlimited Plan?](https://community.materialssquare.com/t/q-what-is-included-in-the-unlimited-plan/321)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 2:15am UTC](https://community.materialssquare.com/t/q-what-is-included-in-the-unlimited-plan/321 "2024-05-31T02:15:18Z")
A. The “Unlimited Plan” is a subscription-based pricing model that provides a set number of ‘credits’ each month for the use of cloud servers. With this plan, you will receive a set amount of Credits(CPU time) per plan, … --- ## [Q. What are the different purchasing options for Materials Square?](https://community.materialssquare.com/t/q-what-are-the-different-purchasing-options-for-materials-square/320)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 2:12am UTC](https://community.materialssquare.com/t/q-what-are-the-different-purchasing-options-for-materials-square/320 "2024-05-31T02:12:28Z")
A. At MatSQ, registered users can enjoy free access to modeling, pre/post-data processing, and a variety of features. However, to initiate a simulation and use MatSQ’s cloud computing resources, you must load your accoun… --- ## [Q. How do I get a quote?](https://community.materialssquare.com/t/q-how-do-i-get-a-quote/319)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 1:52am UTC](https://community.materialssquare.com/t/q-how-do-i-get-a-quote/319 "2024-05-31T01:52:45Z")
A. If you would like to request a quote, please send an email with details such as your affiliation and the plan you wish to purchase to support@simulation.re.kr. --- ## [Q. Can I get a certificate for attending the webinar?](https://community.materialssquare.com/t/q-can-i-get-a-certificate-for-attending-the-webinar/316)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 1:43am UTC](https://community.materialssquare.com/t/q-can-i-get-a-certificate-for-attending-the-webinar/316 "2024-05-31T01:43:20Z")
A. Yes, you will be eligible to receive a “Certificate of Attendance” if you participate in the live webinar session for more than 30 minutes. (For workshops, you need to participate for at least 1 hour.) For the inform… --- ## [Q. When are webinars held and how can one participate?](https://community.materialssquare.com/t/q-when-are-webinars-held-and-how-can-one-participate/315)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 1:42am UTC](https://community.materialssquare.com/t/q-when-are-webinars-held-and-how-can-one-participate/315 "2024-05-31T01:42:13Z")
A. Webinars are usually held monthly, and the pre-registration process is made convenient for users. We send out invitation emails to users who have signed up on Materials Square two weeks before the scheduled webinar d… --- ## [Q. How to delete a MatSQ account](https://community.materialssquare.com/t/q-how-to-delete-a-matsq-account/314)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 1:39am UTC](https://community.materialssquare.com/t/q-how-to-delete-a-matsq-account/314 "2024-05-31T01:39:24Z")
A. To delete your MatSQ account, you must contact the support team directly. Please send an email to ‘support@simulation.re.kr’ with the email address associated with your MatSQ account that you wish to delete. The suppo… --- ## [Q. I forgot my password](https://community.materialssquare.com/t/q-i-forgot-my-password/313)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 1:17am UTC](https://community.materialssquare.com/t/q-i-forgot-my-password/313 "2024-05-31T01:17:57Z")
A. If you have forgotten your password, you can easily reset it by clicking on the following link: Reset your password Once you click on the link, follow the instructions to regain access to your account. --- ## [Q. Can the email ID associated with a MatSQ account be altered?](https://community.materialssquare.com/t/q-can-the-email-id-associated-with-a-matsq-account-be-altered/312)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 1:17am UTC](https://community.materialssquare.com/t/q-can-the-email-id-associated-with-a-matsq-account-be-altered/312 "2024-05-31T01:17:00Z")
A. Unfortunately, it is not possible to modify the current email address linked to your MatSQ account to a new one; you will need to create a new account with the desired email. --- ## [Q. I haven’t received the verification link to activate my account](https://community.materialssquare.com/t/q-i-haven-t-received-the-verification-link-to-activate-my-account/311)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 1:15am UTC](https://community.materialssquare.com/t/q-i-haven-t-received-the-verification-link-to-activate-my-account/311 "2024-05-31T01:15:23Z")
A. If you haven’t received the verification link, kindly reach out to us by sending an email from your registered email address to support@simulation.re.kr. We will manually activate your account upon receipt of your me… --- ## [Q. What is the difference between Spot Instances and On-Demand Instances?](https://community.materialssquare.com/t/q-what-is-the-difference-between-spot-instances-and-on-demand-instances/310)
**Author:** [@jihee.y](https://community.materialssquare.com/u/jihee.y)\ **Replies:** 0\ **Last updated:** [May 31, 2024, 1:14am UTC](https://community.materialssquare.com/t/q-what-is-the-difference-between-spot-instances-and-on-demand-instances/310 "2024-05-31T01:14:29Z")
A “Spot Instance” is a cost-saving opportunity that allows you to secure unused computing capacity at lower prices due to its bidding-based pricing system. However, it may experience temporary work interruptions when dem… [Previous page](https://community.materialssquare.com/c/materials-square-faq/12.md) [Next page](https://community.materialssquare.com/c/materials-square-faq/12.md?page=2)