Per 
SCP-XXXX before insertion to SCP-914
Item #: SCP-XXXX
Object Class: Safe
Special Containment Procedures: SCP-XXXX is to be kept in Site-██ behind locked doors at all times. Security must always be at full capacity and security personnel are required to be alert at all times. No personnel under security clearance level 5 is allowed to interact with SCP-XXXX at any time. Unauthorized personnel trying to gain access to SCP-XXXX will be immediately terminated.
Description: SCP-XXXX is an anomalous calculator that was created by inserting a normal calculator into SCP-914 on the "very fine" setting. SCP-XXXX has the anomalous ability to change mathematical and physical formulas to whatever its user wants, thus allowing it to change the laws of physics and cause massive scale destruction of space and time. SCP-XXXX can't be used as a normal calculator.
Addendum: Test logs
Test XXXX-1: SCP-XXXX was used to make 1=0 true. Test resulted in global economic collapse. Computers stopped working, resulting in ███ containment breaches.
Test XXXX-2: SCP-XXXX was used to make friction equal to 0 for one second. Results included buildings collapsing, earthquakes around the world, and [REDACTED].
Test XXXX-3: SCP-XXXX was used to make lightspeed one tenth of its original form. Caused severe panic around the world.
Further testing of SCP-XXXX has been seized.
Note by Dr.████████: "SCP-XXXX is to be destroyed as soon as possible."
