Use the CPI calculator by entering a base year (e.g., 1995), a current year (e.g., 2024) and each item’s quantity plus past-and-present prices; it returns Consumer Price Index and inflation rate. U.S. consumer prices rose 4.9 % year-over-year in April 2023 (BLS News Release, 2023).
Unlock the secrets of astronomical timekeeping with our Julian Date Calculator. Discover how this powerful tool simplifies complex calculations for astronomers, historians, and space enthusiasts alike. From predicting celestial events to correlating ancient dates, explore the fascinating world of Julian Dates. Ready to revolutionize your time calculations? Dive in now!
Enter your numbers, choose sample or population, then press Calculate—your mean, variance, and standard deviation appear instantly. Roughly 68 % of values in a normal distribution fall within one standard deviation of the mean (68-95-99.7 rule https://en.wikipedia.org/wiki/68%E2%80%9395%E2%80%9399.7_rule).
The AI Lesson Planner turns your inputs into a standards-aligned lesson in seconds, slashing the 7 hours a week U.S. teachers spend on planning by 85 % (RAND, 2022).
Set your cardio intensity in seconds: enter age, resting pulse, training goal or exact intensity, pick a maximum-heart-rate formula, and the calculator returns your personalised zone—for example, a 37-year-old with a 55 bpm rest rate sees 132-145 bpm for fat-burning. Hitting 64-76 % MHR is the evidence-based sweet spot for moderate exercise (ACSM, 2022).
Pantry Recipe Generator turns whatever ingredients you already own into ready-to-cook recipes—no extra shopping. Simply list pantry items, set optional cuisine or dietary filters, and press Generate; results copy with one click. U.S. households discard 31.9 % of the food they purchase, worth roughly $240 billion each year (USDA ERS, 2022).
Type a positive side length, choose units and precision, press calculate; the tool returns volume instantly. Because volume scales with the cube, doubling the side makes volume eight times larger (NIST, 2023).
A z-score shows how far a value sits from the mean in standard deviations; about 95 % of normally distributed values lie between −1.96 and +1.96 z (Altman & Bland, 1995 https://www.bmj.com/content/310/6976/298).
Track up to five cryptocurrencies and view their total value in USD, EUR and GBP in seconds. The tool pulls live prices from CoinGecko, which refreshes every 60 seconds on average (CoinGecko Docs, 2023).
