Cách tính thuế đã có VAT hoặc chưa có VAT & IP Logger

Cách tính thuế đã có VAT hoặc chưa có VAT

Nhập số tiền (đ):

Thuế VAT (%):

Số tiền chưa có thuế VAT (tính thuế VAT xuôi)

Số tiền đã có VAT (tính thuế VAT ngược)

Địa chỉ IP và nhật ký

Địa chỉ IP đã được lưu vào tệp user_ips.txt:

Date/Time: 2026-09-23 04:41:22 | IPv4: 216.73.216.202 | IPv4 Hostname: 216.73.216.202 | IPv6: Not found | IPv6 Hostname: Not found

Nội dung của file user_ips.txt:

Date/Time: 2026-09-23 00:14:19 | IPv4: 74.7.227.191 | IPv4 Hostname: 74.7.227.191 | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-09-23 03:01:39 | IPv4: 47.79.207.206 | IPv4 Hostname: 47.79.207.206 | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-09-23 03:03:25 | IPv4: 194.71.102.182 | IPv4 Hostname: 194.71.102.182 | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-09-23 04:13:44 | IPv4: 188.68.60.230 | IPv4 Hostname: v2202607381936484135.nicesrv.de | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-09-23 04:22:27 | IPv4: 18.191.238.101 | IPv4 Hostname: ec2-18-191-238-101.us-east-2.compute.amazonaws.com | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-09-23 04:22:34 | IPv4: 18.191.238.101 | IPv4 Hostname: ec2-18-191-238-101.us-east-2.compute.amazonaws.com | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-09-23 04:22:40 | IPv4: 18.191.238.101 | IPv4 Hostname: ec2-18-191-238-101.us-east-2.compute.amazonaws.com | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-09-23 04:23:49 | IPv4: 77.75.79.72 | IPv4 Hostname: fulltextrobot-77-75-79-72.seznam.cz | IPv6: Not found | IPv6 Hostname: Not found
Date/Time: 2026-09-23 04:41:22 | IPv4: 216.73.216.202 | IPv4 Hostname: 216.73.216.202 | IPv6: Not found | IPv6 Hostname: Not found