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Use this dice roller calculator when you've lost the dice to your favorite board game. Throw up to 15 dice of twenty ...
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Two free random number generators that work in user-defined min and max range. Both random integers and decimal numbers can be generated with high precision.
This calculator can calculate the probability of two events, as well as that of a normal distribution. Also, learn more about different types of probabilities.
This free calculator evaluates compatibility based on two names, returning a score from 0% to 100%, with a higher score indicating a better match.
This free furnace BTU calculator estimates how many BTUs are needed to heat a home based on square footage and climate zone. It provides BTU-per-square-foot guidance and practical sizing context for selecting heating equipment. The tool focuses on heating load rather than cooling load.
Free mortgage calculator to find monthly payment, total home ownership cost, and amortization schedule with options for taxes, PMI, HOA, and early payoff.
This free Rate of Return Calculator estimates annualized return from an initial value, final value, and investment length. It also supports interim periodic deposits or withdrawals, which makes it close to average-return tools that account for cash flows. The calculator is browser-based with no mandatory paid plan.