No attempts yet. Try your first expression!
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Choose your difficulty level:
Easy (1-100),
Medium (100-400), or
Hard (challenging numbers)
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Use exactly four 4's to create an expression
that equals today's target number
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You can use +, -, *, /, parentheses,
concatenation (44), square root (β), factorial
(!), power of (**) and decimal (.4)
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Type your expression or use the calculator
buttons
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You can solve all three difficulty levels each
day!
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A new puzzle is released every day at midnight
UTC
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