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- "Interesting expressions to plot in a 2D-plot window"
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- "A spike:"
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- y=2*SIN(LN(ABS(x)))
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- "The top half of a dog bone:"
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- y=x^2*SQRT(15-x^2)/10
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- "Water waves have sharper crests than troughs:"
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- y=SEC(SIN(x))
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- "The frequency approaches infinity as x approaches 0:"
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- y=x*SIN(2/x)
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- "A super power:"
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- y=ABS(x/2)^ABS(x/2)
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- "A surprising nearly-straight line:"
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- y=ASIN(ATAN(0.4*x))
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- "Surprising near-triangular waves:"
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- y=TAN(COS(x))
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- "Triangular waves:"
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- y=ASIN(SIN(x))
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- "Sawtooth waves:"
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- y=ATAN(TAN(x))
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- "Surprising near-square waves:"
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- y=COTH(SEC(x))+TANH(SEC(x))
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- "Square waves:"
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- y=SIGN(COS(x))
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- "Arches:"
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- y=2*SQRT(ABS(SIN(x)))
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- "Pointed Moorish arches:"
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- y=-SQRT(ABS(COT(0.8*x)))
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- "Hump waves:"
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- y=3*SECH(SEC(x))
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- "Stepped waves:"
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- y=2*CSCH(SEC(x))
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- "Essential singularity (all derivatives = 0 at x=0):"
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- y=4*EXP(-1/ABS(x))-2
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- "A self-similar self-composition:"
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- y=SIN(SIN(x))
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- "A self-similar self-composition:"
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- y=ATAN(ATAN(x))
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- "Area between sine curve and x axis:"
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- 0<y<SIN(x) OR SIN(x)<y<0
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- "Checkerboard squares:"
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- (MOD(x,2)<1 AND MOD(y,2)<1) OR (MOD(x,2)>1 AND MOD(y,2)>1)
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- "A circle of radius 2; Θ goes from -π to π in polar coordinates:"
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- r=2
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- "A spiral of 5 loops; Θ goes from 0 to 10π in polar coordinates:"
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- r=theta/10