All clear button clears the calculator, tape, and resets any functions. Memory clear button clears the memory.

Make math easy with our online calculator and conversion site. All of our tools covering finance, education, health, cooking, and more are free to use! Our easy to use calculators deliver fast, …

Use the best online calculator for any math calculations on PC and smartphones. The free calculator allows you to quickly and accurately perform arithmetic, calculate percentages, raise …

Basic Online Calculator with 10-digit keypad and standard operators to add, subtract, multiply and divide numbers. Includes basic handheld calculator functions for square, square root, percent, …

Scientific calculator online, mobile friendly. Creates series of calculations that can be printed, bookmarked, shared and modified in batch mode.

Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with in-depth information.

Math Calculator from Mathway will evaluate various math problems from basic arithmetic to advanced trigonometric expressions.

A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more.

The CPI inflation calculator uses the Consumer Price Index for All Urban Consumers (CPI-U) U.S. city average series for all items, not seasonally adjusted. This data represents changes in the …

NREL's PVWatts ® Calculator Estimates the energy production of grid-connected photovoltaic (PV) energy systems throughout the world. It allows homeowners, small building owners, …