Operators Modulo operation finds the remainder of division of \'x\' by \'y\' Sums functions \'f(i)\', iterating through \'i\' from \'from\' to \'to\' Gives product of functions \'f(i)\', iterating through \'i\' from \'from\' to \'to\' Gives derivative of order \'order\' (default = 1) of functions \'f(x)\' by \'x\' variable and calculates at point \'x_point\' (default = same as \'x\') Gives integral of function \'f(x)\' by \'x\' variable Integrates function \'f(x)\' by \'x\' variable from \'a\' to \'b\' Gives the factorial of the previous expression Gives the double factorial of the previous expression Gives the percent value of the expression before.\nExamples:\n 100 + 50% = 150\n 100 * 50% = 50\n 100 + 100 * 50% * 50% = 125 Converts degrees to radians.\n Examples:\n 268° = 4.67748\n 30.21° = 0.52726