Soroban Portal

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Sign in

You sign in to Soroban Portal with a Google account or with a link sent to your email address. New users also start from the same screen.

  1. Open the sign-in screen

    Open the sign-in screen. You can also open it with the sign-in button in the bar at the very top of this page.

  2. To sign in with a Google account

    Select [Sign in with Google]. A Google screen opens. Please choose the account you use.

  3. To sign in with an email link (receiving the link)

    If you don’t use a Google account, enter your email address in the Email address field and select [Send sign-in link].

    An email from Soroban Portal containing a sign-in link is sent to the address you entered. This also works for an email address that has not been used before: the account is created when you open the link. The link can be used only once, and it can no longer be used after it expires (the expiry time is shown on the screen after the email is sent).

    The input field disappears, and a message saying that the email was sent and a [Resend] button appear. For a while after sending, the button shows the remaining time and cannot be selected. When you select it after that time has passed, the input field returns with your email address filled in, so you can check the address and send the link again.

    If the email does not arrive, please also check your spam folder. If it still does not arrive, sign in with Google, or contact support@sicorp.jp. There is a limit on how many times a sign-in link can be sent. If you send it repeatedly, “Too many attempts. Please try again later.” is shown. Please wait a while and try again.

  4. Open the link in the email

    Open the email you received and select the link in it. This completes the sign-in.

    If you open the email on a different device or browser from the one you used to send the link, enter your email address again for confirmation and select [Sign in]. If you repeatedly enter an address that differs from the one the link was sent to, the link can no longer be used.

  5. After signing in

    If you don’t have a school yet, the school list shows a section for creating one. Please continue by creating your school. If you have only one school, its Students screen opens. If you have two or more schools, the school list opens.

    If you are signed out after not using the portal for a while, the sign-in screen shows “Please sign in again.”. Please sign in again.

If you can’t sign in

If one of the following messages appears on the sign-in screen or on the screen opened from the email link, please do as follows.

MessageWhat to do
This link can't be used. Please send a sign-in link again.The link has expired or has already been used. Please send a new sign-in link.
Unable to sign in. Please send a sign-in link again.Please send a new sign-in link.
Couldn't verify. Please try again.The check before sending did not pass. Please select the button again. If the check field shows “Couldn't load”, select [Reload] next to it. You can still sign in with Google.
Couldn't send. Please try again later.The email could not be sent. Please wait a while and send the link again.
This email address is set up for signing in with an email link. Please sign in with the email link.This email address belongs to an account that signs in with an email link. Please sign in with the email link.
This account can't be used. Please contact support@sicorp.jp.Please contact support@sicorp.jp.

There is no screen for changing the email address you use to sign in. If you want to change it, please contact support@sicorp.jp.

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