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

Learn how Google Calendar helps you stay on top of your plans - at home, at work and everywhere in between.

Free Online Scientific Notation Calculator. Solve advanced problems in Physics, Mathematics and Engineering. Math Expression Renderer, Plots, Unit Converter, Equation Solver, Complex Numbers, …

In 1967, Texas Instruments released the Cal Tech prototype. This calculator could add, subtract, multiply, divide, print the result on paper tape, and fit in the palm of your hand.

SolveCalc is a free calc solver and scientific calculator for students and teachers. Solve algebra, trigonometry, fractions, percentages and logarithms instantly with no download needed. Multiple …

Choose a method to track your calories and progress towards your goals. If you have a smartphone, there are many easy-to-use applications that facilitate tracking calories, exercise, and progress, …

Calendars – online and print friendly – for any year and month and including public holidays and observances for countries worldwide.

Unlock powerful functions with our scientific calculator. From basic arithmetic to complex equations, handle every calculation with ease and precision. Perfect for students, engineers, and professionals.

Four arithmetic operations are available: addition, multiplication, division, and subtraction. It is a very practical and original tool compared to other online calculators. For example, you have the option of …

The first handheld calculator was a 1967 prototype called Cal Tech, whose development was led by Jack Kilby at Texas Instruments in a research project to produce a portable calculator.