# Ranking Top100

 No Ranking Top100(03/26 - 04/01) 1 Walking Calorie 2 Running Calorie 3 How many days until ~ ? 4 Bicycling Calorie 5 Biorhythm 6 New coordinates by rotation of axes 7 Date Duration 8 Area of a quadrilateral 9 Area of a triangle (Heron's formula) 10 How Old Am I? ( Age Calculator ) 11 Function table (2 variables) 12 Newton method f(x),f'(x) 13 Cartesian to Polar coordinates 14 Quadratic regression 15 Sigmoid function 16 Biorhythm Compatibility 17 Swimming Calorie 18 Beta distribution (chart) 19 System of 2 linear equations in 2 variables 20 Julian and Gregorian Calendar 21 Solar elevation angle (for a day) 22 Normal distribution (percentile) 23 Future Value of Periodic Payments 24 Gamma function 25 Logical operations 26 ab-Exponential regression 27 Cartesian to Spherical coordinates 28 Linear equation given two points 29 Normal distribution 30 Polar to Cartesian coordinates 31 Geometric progression 32 Compound Interest (FV) 33 Cartesian to Cylindrical coordinates 34 Matrix-Vector product 35 Bisection method 36 Combination 37 Free fall energy (energy and velocity) 38 Infinite geometric series 39 Area of a circular sector 40 Arithmetic progression 41 Plane equation given three points 42 Right triangle 43 Isosceles triangle 44 Hyperbolic functions 45 Free fall with air resistance (time and velocity) 46 Logarithmic integral li(x) 47 Gamma distribution (chart) 48 Impedance of R, C and L in parallel 49 Linear regression 50 Spherical to Cartesian coordinates 51 Free fall (distance and velocity) 52 Special relativity (time dilation) 53 Volumetric Flow Rate Conversion 54 Rope jumping Calorie 55 Compound Interest (PV) 56 Volume of a circular truncated cone 57 Area of a trapezoid 58 Sunrise and sunset times (location) 59 Matrix power 60 Impedance of R and C in parallel 61 Scalene triangle 62 Area of a triangle with three points 63 Error function 64 Runge-Kutta method (4th-order,1st-derivative) 65 tanh(x) function 66 Binomial distribution (chart) 67 Softmax function 68 Remainder 69 Quartic equation 70 Distance between two places on the earth 71 Prayer Times and Direction 72 Area of an ellipse 73 Matrix product 74 Adjacent and opposite of right triangle 75 Orbit of a satellite 76 Gaussian quadrature (Select method) 77 Radius of circle given area 78 Weibull distribution (chart) 79 24 Solar Terms 80 Cubic equation 81 Nominal and Effective Rates 82 Basal Metabolic Rate (BMR) 83 Atmospheric pressure from altitude 84 New coordinates by 3D rotation of points 85 Matrix norm 86 Solar elevation angle (for a year) 87 Inverse hyperbolic functions 88 Add to or Subtract from a Date 89 Colebrook-White Equation 90 Volume of a hollow cylinder 91 Logarithmic regression 92 Age Chart 93 Function table (1 variables) 94 Impedance of R and C in series 95 Cylindrical to Cartesian coordinates 96 New coordinates by rotation of points 97 Inverse error function 98 Vector norm 99 Viscosity conversion 100 Leap year checker 