# Ranking Top100

 No Ranking Top100(01/12 - 01/18) 1 Walking Calorie 2 How Old Am I? ( Age Calculator ) 3 Running Calorie 4 Bicycling Calorie 5 How many days until ~ ? 6 Right triangle 7 Biorhythm 8 New coordinates by rotation of axes 9 Date Duration 10 Geometric progression 11 Future Value of Periodic Payments 12 Biorhythm Compatibility 13 Function table (2 variables) 14 Area of a quadrilateral 15 Area of a triangle (Heron's formula) 16 Area of a circular sector 17 Swimming Calorie 18 New coordinates by rotation of points 19 Quadratic regression 20 Beta distribution (chart) 21 ab-Exponential regression 22 Sigmoid function 23 Volume of a circular truncated cone 24 Solar elevation angle (for a day) 25 Free fall (distance and velocity) 26 Euler's method(1st-derivative) 27 Cartesian to Polar coordinates 28 Exponential function 29 Impedance of R and C in parallel 30 Isosceles triangle 31 Time Duration 32 Impedance of R and C in series 33 Linear equation given two points 34 Newton method f(x),f'(x) 35 Normal distribution (percentile) 36 Area of a circle 37 Gamma function 38 Polar to Cartesian coordinates 39 Solar elevation angle (for a year) 40 Special relativity (time dilation) 41 Free fall with air resistance (time and velocity) 42 Logical operations 43 Age Chart 44 Normal distribution 45 Volume of a hollow cylinder 46 Volume of a rectangular cuboid 47 Compound Interest (FV) 48 Radius of circle given area 49 Arithmetic progression 50 Linear regression 51 Geometric distribution 52 Orbit of a satellite 53 Lin, quad R fixed bottom 54 Poisson distribution (chart) 55 Sunrise and sunset times (location) 56 Quartic equation 57 Julian and Gregorian Calendar 58 Plane equation given three points 59 Compound Interest (Rate) 60 Volume of a truncated square pyramid 61 Vital Capacity 62 Combination 63 Regular polygons inscribed to a circle 64 Area of an ellipse 65 Future Date 66 Quadratic equation 67 Height and Weight conversion 68 Area of a trapezoid 69 Julian Day Number from Date 70 Hyperbolic functions 71 Cartesian to Spherical coordinates 72 Wind Chill Index 73 Error function 74 Impedance of R, C and L in parallel 75 Function table (1 variables) 76 Atmospheric pressure from altitude 77 Bisection method 78 Capacitance in series and parallel 79 Volume of a sphere 80 Distance between two places on the earth 81 Trigonometric functions (radian) 82 Compound Interest (PV) 83 Poisson distribution 84 Dice probability 85 Angle and hypotenuse of right triangle 86 LU Decomposition 87 US Height Conversion 88 Binomial distribution 89 Zeta function 90 Gamma distribution (chart) 91 Spherical to Cartesian coordinates 92 Runge-Kutta method (4th-order,1st-derivative) 93 System of 2 linear equations in 2 variables 94 Singular Value Decomposition 95 Involute function 96 Binomial distribution (chart) 97 Quadratic inequality 98 Scalene triangle 99 Exponential integral Ei(x) 100 Weibull distribution (chart) 