# Ranking Top100

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