Now, you can get your difficult calculations in your WhatsApp™ group.
1. Click Here to create a contact called DUTA™ on your
2. Create a WhatsApp™ Group, add the DUTA™ number to it.
3. To join Calculator channel send +calc <expression> to the group.
4. Add your friends and relatives to the WhatsApp™ group. Or just enjoy DUTA service by yourself
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