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Time Calculator
This free time calculator can add or subtract time values in terms of number of days, hours, minutes, or seconds. Also, learn the different concepts of time.
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GPA Calculator
This GPA calculator computes GPA and generates a report based on course credits and the achieved grade. It accepts both numerical and letter grades.
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Calculator.net: Free Online Calculators - Math, Fitness, Finance, Science
Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with in-depth information.
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Math Calculators
This is a free online math calculator together with a variety of other free math calculators that compute standard deviation, percentage, fractions, and more.
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Conversion Calculator
This free conversion calculator converts between common units of length, temperature, area, volume, weight, and time.
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Interest Calculator
Free compound interest calculator to find the interest, final balance, and schedule using either a fixed initial investment and/or periodic contributions.