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Showing 361–380 of 580 tools
Point Rotation Calculator
Rotate a 2D point about the origin.
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Point To Line Distance Calculator
Find perpendicular distance from a point to Ax + By + C = 0.
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Poisson Probability Calculator
Calculate P(X = k) for a Poisson event count.
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Polar To Cartesian Converter
Convert a polar point into Cartesian x and y.
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Polygon Apothem Calculator
Find a regular polygon apothem as side / (2 tan(π/n)).
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Polygon Interior Angle Calculator
Find one interior angle of a regular polygon in degrees.
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Polynomial Calculator
Evaluate a polynomial at a supplied real value.
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Potential Energy Calculator
Gravitational potential energy in joules = mass × gravity × height.
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Power Converter
Convert a quantity using the listed fixed unit factors.
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Power Factor Calculator
Power factor = real power / apparent power.
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Pregnancy Due Date Calculator
Estimate a pregnancy due date using the first day of the last menstrual period and cycle length.
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Pressure Calculator
Average pressure in pascals = normal force / area.
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Pressure Converter
Multiply the input by the source unit factor and divide by the destination factor.
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Prime Factorization Calculator
Decompose a positive integer into prime factors.
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Prime Number Checker
Check whether an integer is prime.
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Probability Calculator
Find event probability from equally likely outcome counts.
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Projectile Flight Time Calculator
Find same-height projectile flight time as 2v sin(θ)/g.
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Projectile Maximum Height Calculator
Find projectile height gained above launch point as (v sin θ)²/(2g).
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Projectile Range Calculator
Horizontal range = launch speed² × sin(2 × launch angle) / gravity.
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PSD to PDF Converter
A one-page PDF of the saved PSD composite. Decode the saved RGB PSD composite and embed it as a PNG image in a new PDF.
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