Number

Generate one or more random numbers within a specified range.

Convert between length, weight, temperature, volume, area, speed, and time units. Processed in memory and never stored.

Convert whole numbers between binary, octal, decimal, hexadecimal, and base 36. Processed in memory and never stored.

Calculate percentages three ways: find X% of a number, find what percent one number is of another, or find the percentage change between two numbers. Processed in memory and never stored.

Calculate your GPA from a list of courses, credits, and grades — on a 4.0 or 10-point scale. Enter one course per line as "Course, Credits, Grade". Processed in memory and never stored.

Convert a number into written English words — plain or currency form, using either the international (million/billion) or Indian (lakh/crore) numbering system. Processed in memory and never stored.

Convert between numbers and Roman numerals in either direction. Supports the standard range 1–3999. Processed in memory and never stored.

Calculate mean, median, mode, range, variance, standard deviation, and quartiles from a list of numbers. Enter one number per line or separate them with commas. Processed in memory and never stored.