Calculators
- 1
- Wikipedia: Calculator
- Encyclopedia article about calculators, including their usage, history and development.
- 2
- Martindale's Calculators
- A collection of calculators for the sciences, business and everyday measurements. Organized by subject area.
- 3
- AbaCal
- An easy to use online platform for applied mathematics which includes an online calculator, a formula library and an exchange platform.
- 5
- AquaCalc
- Convert between various units of measurement, calculate volume and area, convert weight to volume and volume to weight, gravel and mortgage calculators.
- 6
- Binary Calculator
- An arbitrary-precision binary calculator, which adds, subtracts, multiplies, or divides integer and fractional values.
- 8
- Calc
- Online numeral system converter. Supports decimal, hexadecimal, octal, binary numbers, ASCII characters.
- 10
- CalcBuddy
- A math resource website providing an online scientific calculator, and numerous special purpose calculators and unit converters
- 11
- CalcMachine
- Easy to use online calculator and expression evaluator. It supports basic arithmetic, trigonometry and logarithmic functions.
- 12
- CalcNexus
- Provides online calculators for web-enabled mobile phones and PDAs, including financial, fitness and conversion calculators.
- 14
- Calculator Pi
- Provides functions common in science and engineering. Creates a printable sequence of calculations that can be bookmarked or shared as URL.
- 15
- Calculator Soup
- Free online calculators for finance, math, algebra, fractions, geometry, physics, time and statistics. Converters for common conversions.
- 16
- Calculator Tab
- Free scientific online calculator, which includes long-term memory, trigonometric functions, logarithmic functions, brackets and the modulo operation. It can be opened in a small pop-up window and includes a user guide.
- 17
- Calculatoria
- Online mathematical calculator with basic and scientific modes. Shows calculation history.
- 18
- Cleave Books - Specialist Calculators
- Features converters for perimeter measurements of geometric figures, fractions, percentages, number bases, loan repayments, growth and decay, cost of living index, fuel consumption, flow rate, specific energy, viscocity, and heat capacity.
- 19
- Dario Alpern's Complex Number Calculator
- Computes basic operations, 1/z, pi, exponent, log, trig, and polygamma functions. Includes memory feature.
- 20
- Days Calculator
- Helps to compute how many days have passed from an earlier time to the present day.
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