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Command Summary

Returns the truth value of value1 or value2, but not both, being true.

Command Syntax

value1 xor value2

Menu Location


  1. 2nd TEST to access the test menu.
  2. RIGHT to access the LOGIC submenu.
  3. 3 to select xor, or use arrows and ENTER.

Calculator Compatibility


Token Size

1 byte

The third and final binary operator is a little trickier, but it has the coolest name. xor takes two numbers of expressions and checks to see if exactly one is True. If both are True or both are False, it returns 0.

1 xor 0

:2 xor (3 xor 0)    (after evaluating 3 xor 0, it simplifies into True xor True.)

:0 xor (1-1)^2

Table of Results

For reference, the following true/false table shows what gets returned when you use different combinations of 1 (true) and 0 (false):

xor 1 (true) 0 (false)
1 (true) 0 (false) 1 (true)
0 (false) 1 (true) 0 (false)

Related Commands